# SDR C2XA01BT126

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 22, 2001
- Submitted: July 6, 2001
- Operation: Air carrier
- Aircraft: N25811
- Make and model: Aerosp ATR 42-320
- Registry model: [Aerosp ATR 42-320](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-320) (OpenAirDocs)
- Aircraft serial: 094
- Aircraft time: 28,295 hours, 32,016 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 3011180A
- Part serial: 1131
- Condition: Faulty
- Location: Cabin
- 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/C2XA01BT126

## Discrepancy

YUL---DURING LINE CHECK ON MODIFICATION LINE IN YUL MAINTENANCE FOUND EMERGENCY EXIT LIGHT UNDER RT EMERGENCY DOOR INOPERATIVE.  REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT IAW ATR42 MM 33-51-21 RAI 10000-004.  OPS CHECK GOOD.

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