# SDR C2XA02SH043

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 14, 2002
- Submitted: August 23, 2002
- 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
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 3011180
- Part serial: 400
- Condition: Discharged
- Location: Cabin
- Stage of operation: IN
- How discovered: V
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C2XA02SH043

## Discrepancy

SHV-DURING MAINTENANCE CHECK, MAINTENANCE FOUND THE AFT LOWER LEFT AND RIGHT EMERGENCY EXIT DOOR LIGHTS WILL NOT ILLUMINATE. MAINTENANECE REMOVED AND REPLACED EMERGENCY POWER SUPPLY 30WL IAW ATR AMM/JIC 33-51-21 AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

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