# SDR TRBA201203137401

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 13, 2012
- Submitted: March 14, 2012
- Operation: Air carrier
- Aircraft: [N451AT](https://openairdocs.org/aircraft/N451AT), registered now
- Make and model: Aerosp ATR 72-212
- Registry model: [Aerosp ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Aircraft serial: 451
- Aircraft time: 31,598 hours, 31,319 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TRBA201203137401

## Discrepancy

THE CREW REPORTED THAT SEVERAL EMERGENCY LIGHTS WERE OUT STARTING FROM MID CABIN TO AFT.  THE ACFT WAS REMOVED FROM SERVICE.  R & R 68WL POWER PACK IAW JIC 33-51- 21-RAI 10010-001.   THE OPS CHECKED OK.  THE ACFT WAS RETURNED TO SERVICE.

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