Off-Service Trains

Date	Train	Trainset Number	TRN	Line	Reason
26 May 2011	C751B	319/320	908	East West Line	Previously TRN 008, going back to UPD.
16 September 2011	C151A	519/520	785		Test Train/Off Service.
12 August 2014	C151A	551/552	927	North South Line	To be renumbered to TRN 227.
13 August 2014	C151A	515/516	922	East West Line	Previously TRN 122, going back to UPD.
25 February 2015	C751B	329/330	701	North South Line	Test Train from UPD to BSD.
23 May 2015	C651	209/210	701	North South Line	Test Train from BSD to UPD.
7 October 2015	C151	017/018	938	East West Line	Previously TRN 138, going back to UPD at 10.27am.
	C151	027/028	939	East West Line	Previously TRN 139, going back to UPD at 10.32am.
26 December 2015	C151	131/132	777	East West Line	Test Train from UPD to CHD.
24 February 2016	C151A	511/512	703	North South Line	Test Train from UPD to BSD.
30 July 2018	C151B	689/690	936	North South Line	Depot Transfer from UPD to BSD.
3 September 2018	C751B	347/348	511	North South Line	Start at Choa Chu Kang instead.
12 October 2018	C651	219/220	701	North South Line	Returning back to UPD.
17 May 2019	C751B	345/346	811	North South Line	Depot Transfer from BSD to UPD.
30 August 2019	C151	101/102	701	North South Line	Transfer Train in the afternoon from UPD to BSD.
9 September 2019	C651	229/230	945	North South Line	Returning back to UPD after being replaced by C151.
15 September 2019	C751B	325/326	720	North South Line	Depot Transfer from BSD to UPD.
23 September 2019	C151A	539/540	923	East West Line	Transfer Train in the afternoon from TWD to UPD.
14 October 2019	C151A	501/502	701	North South Line	Test Train from UPD to BSD.
24 October 2019	C151A	543/544	701	North South Line	Test Train from BSD to UPD.
14 February 2020	C151B	689/690	752	East West Line	It is a not in service train, heading towards Woodlands sidings during AM peak from Jurong East.
22 August 2020	C151A	533/534	742	East West Line	It is a data tracking train in CGL.
27 August 2020	C751B	311/312	925	East West Line	Due to this particular train having a train fault during morning rush hours, this train had to be taken out of service and head to Ulu Pandan Depot or Tuas West Depot.
25 November 2020	C651	233/234	954	East West Line	Supposed to withdraw at CHD as TRN154, but instead it backfired by going to UPD at 7.37pm.
16 December 2020	C151	067/068	903	North South Line	Depot Transfer from UPD to BSD at 10.30pm, previously ran as TRN160.
17 December 2020	C651	233/234	903	North South Line	Depot Transfer from UPD to BSD at 9.53pm, previously ran as TRN160.
28 December 2020	C651	223/224	903	North South Line	Depot Transfer from UPD to BSD at 9.53pm, previously ran as TRN160.
3 January 2021	C151A	563/564	770	East West Line	Testing on the EWL after missing service during the lockdown period from CHD to TWD.
12 January 2021	C151B	665/666	908	North South Line	It broke down halfway and had to be taken out in ATPM mode. It was headed for Woodlands sidings during AM peak from Jurong East.
25 February 2021	C651	213/214	906	East West Line	It most probably leads to Ulu Pandan Depot, coming from Tuas West Depot.
3 April 2021	C151A	539/540	903	North South Line	Depot Transfer from UPD to BSD at 9.53pm, previously ran as TRN160.
4 April 2021	C751B	349/350	751	East West Line	From UPD to CHD.
9 April 2021	C151	025/026	901	East West Line	Depot Transfer from UPD to TWD after 10.30pm.
	C151	117/118	902	East West Line	Depot Transfer from UPD to TWD at 10.35pm, ending slot as TRN442.
21 April 2021	C751B	323/324	903	North South Line	Depot Transfer from UPD to BSD, previously ran as TRN160.
27 April 2021	C651	215/216	910	North South Line	Previously TRN 410, this train went out of service and replaced by 671/672. Failed full day, at 4pm. Instead of returning back to BSD, it went to UPD instead.
5 May 2021	C151A	549/550	919	North South Line	Previously TRN 219, it went to Yew Tee for track inspection. It went to Woodlands Siding and turnback southbound once TRN 401 returns to UPD.
16 June 2021	C151	079/080	821	North South Line	Previously TRN 421, this train had went to Queenstown as a detour, since the other crossing could not work at UPD.
21 June 2021	C151C	717/718	817	North South Line	Previously TRN 217, this train had went to Queenstown as a detour.
	C151A	557/558	804	North South Line	Previously TRN 404, this train had went to Outram Park sidings whereas the others, all used Queenstown crossover. This train returned back to UPD slightly later than the rest.
10 August 2021	C651	223/224	902	East West Line	Replacement trains were called at Tanah Merah, which eventually has to withdraw in the afternoons. Replaced by 125/126.
13 August 2021	C151B	649/650	902	East West Line	Depot Transfer from UPD to TWD at 10.35pm, ending slot as TRN442.
19 August 2021	C151	023/024	903	North South Line	Depot Transfer from UPD to BSD, previously ran as TRN160.
26 August 2021	C151A	523/524	901	East West Line	Depot Transfer from UPD to TWD after 10.30pm.
28 August 2021	C151	091/092	921	East West Line	Previously TRN 121, this train was replaced by 671/672.
30 August 2021	C151	029/030	783	East West Line	Due to the fact that EWL was in a mess and there are not enough trains for TWD. So one empty train had to go to Tuas to start downroute.
	C151	043/044	766	East West Line	Due to the fact that EWL was in a mess and there are not enough trains for TWD. So one empty train had to go to Tuas to start downroute.
	C751B	345/346	764	East West Line	Due to the fact that EWL was in a mess and there are not enough trains for TWD. So one empty train had to go to Tuas to start downroute.
7 September 2021	C151	119/120	725	East West Line	After the last train to Tuas Link & Changi Airport has departed, it went to serve the test train.
18 November 2021	C751B	317/318	981	East West Line	A random not-in-service train transferred from Tuas West Depot to Ulu Pandan Depot. The train was being replaced and most probably heading to UPD.
19 November 2021	C151	055/056	781		A random not-in-service train transferred from Changi Depot to Bishan Depot, by u-turning at Outram Park Sidings. No one will u-turn at Outram Park, but people will change at City Hall instead.
5 January 2022	C151C	703/704	738	North South Line	Transfer to BSD from UPD in morning peak.
6 January 2022	C151	107/108	923	East West Line	Going straight into UPD after getting some problems and changed at Joo Koon, originally TRN 323.
29 January 2022	C151A		903	East West Line	Replacement train from Joo Koon to UPD.
4 February 2022	C151	107/108	901	North South Line	Going straight into UPD after getting some problems and changed at Joo Koon, originally TRN 301.
5 March 2022	C151		902	North South Line	Depot Transfer from UPD to TWD, ending service as TRN442.
11 March 2022	C751B	337/338	929	North South Line	End up terminating at Ang Mo Kio and replaced the train.
17 March 2022	C151	037/038	941	East West Line	Due to CHD borrowing one train, which was 011/012 (TRN 143 was renumbered to 329), this trainset was transferred from CHD to TWD.
23 March 2022	C151A	517/518	958	North South Line	It was initially supposed to be TRN 258, not even on 1/2 trip out of 1 trip and it broke down.
5 April 2022	C751A	7079/7080	979	North East Line	Most likely downrouting to HarbourFront Platform A to stablise, as it did not come back up towards Punggol in front of 7011/7012.
17 April 2022	C651	223/224	921	East West Line	It probably had problems during the journey and need to be replaced immediately at Tanah Merah middle platform. 663/664 took over as TRN121.
29 April 2022	C151A	541/542	827	East West Line	It took over TRN127's 059/060 slot.
13 May 2022	C151B	677/678	907	East West Line	Replaced by TRN 307 (013/014), however it was being replaced at Pasir Ris.
16 May 2022	C751B	331/332	801	East West Line	After the trainset ended its service at Tuas Plaza (TRN301), it flew all the way to CHD instead.
31 May 2022	C151	027/028	924	East West Line	After it slotted into TRN324 (677/678) during some issues, 027/028 was transferred to CHD during off-peak hours.
3 June 2022	C151	107/108	728	East West Line	After it concluded service as TRN128 in Tuas Plaza, then it transferred to UPD via TRN 728 instead.
7 July 2022	C651	207/208	836	North South Line	It went to Woodlands sidings, and was formerly TRN236.
30 July 2022	C651	237/238	906
3 October 2022	C151B	657/658	777	East West Line	After it concluded service as TRN117 in Pasir Ris, then it transferred to TWD.
14 December 2022	C151B	649/650	906	North South Line	The train has broke down along the way, which resulted in a replacement train starting service from Bishan instead. It was originally TRN206.
22 December 2022	C151	105/106	821	North South Line	Previously TRN221, it was being replaced at Ang Mo Kio.
4 February 2023	C151A	545/546	741	East West Line	Redeployed from CHD to TWD at 11.32am.
	C151A	505/506	742	East West Line	Redeployed from TWD to CHD at 12.08pm.
8 February 2023	C151C	705/706	926	North South Line	Due to the track point fault at Raffles Place, but it was originally TRN432.
22 February 2023	C651	207/208	901	East West Line	Replaced by TRN 101 (043/044), it was being replaced at Changi Airport now.
5 March 2023	C151A	547/548	745	East West Line	Was seen heading to Bedok Platform A to start revenue service there.
3 April 2023	C151B	611/612	903	North South Line	Transfer train from UPD to BSD.
4 April 2023	C151A	567/568	743	East West Line	After finishing TRN 143 along the EWL, it was sent on Transfer 743 to UPD from Pasir Ris.
5 April 2023	C151B	657/658	930	East West Line	Run 130 was initially 105/106. But 105/106 did not make it and had to return to CHD earlier. Hence UPD needed to give out to EWL to fill up the gap. 657/658 would only run for that trip and then return back to UPD afterwards.
1 May 2023	C151A	517/518	910	North South Line	The train was rerouted to the southbound track as the main track leading to Bishan Depot, was blocked by the upcoming northbound train which awaits its deployment to main service. It is very hardly used nowadays after the Lunchtime Xpress was removed in 2014, so this movement can be considered very rare, and is formerly TRN410.
5 May 2023	C751B	327/328	813	East West Line	Replaced by 083/084. Train was off service as TRN813 (formerly TRN313) from Pasir Ris to Tanah Merah.
8 May 2023	C151	105/106	901	East West Line	It is an enhancement train and will first be seen as DNB from TWD to UPD.
	C151A	561/562	914	East West Line	037/038 had failed to start service and hence run 314 with no train running. After 561/562 completed its Run 314, 561/562 had to go back to UPD as Run 914 and will appear on the NSL on following day.
8 June 2023	C151	017/018	923		It was originally TRN123. It failed to serve full day service but it was replaced by 351/352 (C751B).
3 August 2023	C751B	349/350	902		The train’s emergency brakes kept on tripping in the tunnel running in auto mode, so the last few trips the train was being driven manually. 349/350 was withdrawn from passenger service due to unknown reasons.
8 August 2023	C751B	345/346	903	North South Line	Depot Transfer from UPD to BSD.
17 August 2023	R151	827/828	934	East West Line	Previously TRN134, replaced by 067/068.
28 August 2023	C151A	523/524	929	North South Line	Previously TRN429, it was therefore withdrawn at Ang Mo Kio.
8 September 2023	C151	059/060	930	North South Line	Previously TRN430, it was therefore replaced at Ang Mo Kio with C151A 569/570 northbound.
10 September 2023	R151	835/836	912	East West Line	Previously TRN312, replaced by 827/828.
30 September 2023	R151	833/834	918	East West Line	Previously TRN318. It was replaced at Tuas Link without schedule at 3.32pm with a C151 011/012 that came out from TWD.
3 November 2023	C151C	713/714	901	North South Line	Did transfer run after completing TRN226.
5 November 2023	C151C	721/722	901	North South Line	Rescue Train, formerly TRN401
	C151B	647/648	905	North South Line	Defective Train, formerly TRN405
13 November 2023	C151	011/012	742	East West Line	Depot Transfer from CHD to TWD.
	C651	207/208	781	East West Line	Depot Transfer from TWD to CHD.
16 November 2023	C151A	567/568	889		Off-Service Test Train
17 November 2023	C151A	531/532	901	East West Line	Depot Transfer from UPD to TWD.
23 November 2023	C751B	317/318	901	East West Line	Depot Transfer from UPD to TWD.
27 November 2023	C751B	347/348	901	East West Line	Depot Transfer from UPD to TWD, before heading to scrap.
6 December 2023	C151A	569/570	901	East West Line	Depot Transfer from UPD to TWD.
27 December 2023	C151B	641/642	911	East West Line	Replaced into UPD, and previously TRN311.
28 December 2023	C151B	631/632	923	North South Line	Door fault happened on the North South Line, abruptly withdrawn as formerly TRN423.
31 December 2023	C151A	531/532	781	East West Line	Depot Transfer from CHD to TWD.
5 January 2024	C151	089/090	955	East West Line	It was on the last trip before being taken out of service due to train fault, resulting in no replacement train (TRN155) arranged to take over.
13 January 2024	C651	201/202	903	North South Line	Depot Transfer from UPD to BSD.
18 January 2024	C751B	337/338	903	North South Line	Depot Transfer from UPD to BSD.
24 January 2024	C151A	521/522	903	North South Line	Depot Transfer from UPD to BSD.
6 February 2024	C151	039/040	949	East West Line	Previously TRN149, replaced by 663/664 at Joo Koon.
13 February 2024	C751B	327/328	901	East West Line	Depot Transfer from UPD to TWD, before heading to scrap.
17 February 2024	C151A	567/568	915	North South Line	Previously TRN415. Part of Ulu Pandan Depot replacement.
22 February 2024	C151B	633/634	901	East West Line	Depot Transfer from UPD to TWD.
23 February 2024	C151	057/058	902	East West Line	Previously TRN102, Replaced by 081/082 at Tanah Merah.
	C651	237/238	902	East West Line	Previously TRN102, Replaced by 057/058 at Tanah Merah.
24 February 2024	C151	037/038	921	North South Line	Previously TRN421, Replaced by 647/648 at Bishan Depot.
26 February 2024	C751B	341/342	952	East West Line	Depot Transfer from TWD to CHD.
7 March 2024	C151	123/124	771	East West Line	Depot Transfer from UPD to CHD.
10 March 2024	C151B	619/620	914	North South Line	Previously TRN414.
15 March 2024	C151B	663/664	903	North South Line	Depot Transfer from UPD to BSD.
21 March 2024	C151B	687/688	901	East West Line	Depot Transfer from UPD to TWD.
23 March 2024	R151	825/826	909	East West Line	Previously TRN309, it was switched at Bedok and replaced by 555/556 at 12pm in the afternoon.
5 April 2024	C151B	625/626	903	North South Line	Depot Transfer from UPD to BSD.
19 April 2024	R151	847/848	909	East West Line	Previously TRN309.
2 May 2024	C651	201/202	962	East West Line	Previously TRN162, and was replaced by 833/834 due to power fault.
	C751B	341/342	926	East West Line	Previously TRN126. 341/342 suffered from a train fault while on its way to Pasir Ris. It was then downrouted to Changi Depot for further examination.
8 May 2024	C151	089/090	901	East West Line	Depot Transfer from UPD to TWD.
15 May 2024	C651	237/238	962	East West Line	Previously TRN162, and was replaced by 539/540 just to do 903. This was the last trip on the way to Joo Koon to withdraw into UPD.
30 May 2024	C151B	617/618	906	North South Line	Previously TRN206. As UPD loaned out 2 trains for BSD to run for NSL AM Peak, this is 1 of the 2 train to be transferred back to UPD. An unusual transfer that happens in the afternoon which I don't think anyone would see these days. This is the 2nd last AM peak train that terminates at AMK and dead mileage occurs due to the need to transfer to UPD, since this train cannot get to BSD. This train got into Reception Track 1 and immediately wrong-railed all the way to Jurong East to replace the incoming train that is set to go to UPD.
1 June 2024	C151A	509/510	902	North South Line	As UPD loaned out 2 trains for BSD to run for NSL AM Peak, this is the remaining train to be transferred back to UPD. An unusual transfer that happens in the afternoon which I don't think anyone would see these days. This is the last AM Peak that terminated at AMK and dead mileage occurs due to a need to transfer to UPD since this train can't even get to BSD. It was previously TRN402.
5 June 2024	C651	201/202	923	East West Line	Previously TRN123. 201/202 was replaced by 039/040 at Tuas Plaza during PM rush hours.
20 June 2024	C151	127/128	924	East West Line	The train has performed turnaround without the TC presence which means the train is in DTO mode. Train had a problem earlier. It was being taken out of service at Jurong East and had to make a U-turn at Lakeside to UPD.
21 June 2024	R151	807/808	901	East West Line	Previously TRN101. It was used as an inspection run to check the situation of track fault at Changi Airport crossing.
23 June 2024	T251	2080	904	Thomson-East Coast Line	Previously TRN004, abruptly withdrawn in the morning peak at Woodlands North.
15 July 2024	C151C	705/706	777	North South Line	The train probably came from UPD and run along the partial length of EWL before switching to NSL. Instead of going via Woodlands side, it ended up going via Raffles Place.
23 July 2024	R151	841/842	836	North South Line	Previously TRN236. It was a detouring withdrawn train to Bishan Depot (BSD), as there is a track fault from Jurong East to Bukit Batok.
26 July 2024	R151	843/844	901	East West Line	Depot Transfer from UPD to TWD.
2 August 2024	C151B	603/604	903	North South Line	Depot Transfer from UPD to BSD.
5 September 2024	C151C	719/720	903	North South Line	Depot Transfer from UPD to BSD.
11 September 2024	R151	857/858	901		Previously TRN101, in the end it was replaced at Tanah Merah.
	C151	093/094	957		Previously TRN157. 105/106 downrouted to Tanah Merah from Tuas Depot to do T103 on CGL and 093/094 was the return train. Instead of withdrawing into Changi Depot, 093/094 deadheaded to Tuas Depot after withdrawing at Pasir Ris as a return train.
23 September 2024	C151	105/106	937	North South Line	Previously TRN437. It was a replacement train at Ang Mo Kio.
28 September 2024	C151	005/006	783		Depot Transfer from CHD to BSD.
		009/010	784
29 September 2024	C151A	509/510	771	East West Line	Depot Transfer from UPD to CHD.
4 October 2024	C651	201/202	901	East West Line	It was the last day of service, being pulled out from UPD to TWD.
	C651	207/208	781	East West Line	It was the last day of service, being pulled out from CHD to TWD.
	C751B	337/338	701		It was the last day of service, being pulled out from BSD to TWD.
1 November 2024	T251	2069	932	Thomson-East Coast Line	PM Mode Training
8 November 2024	R151	875/876	909	East West Line	Previously TRN309. It was being replaced by 539/540 at Tanah Merah.
5 December 2024	R151	843/844	940	North South Line	Previously TRN440. It was being replaced by unknown at Ang Mo Kio.