# SDR AALA202201037035

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 3, 2022
- Submitted: January 3, 2022
- Operation: Air carrier
- Aircraft: [N657AW](https://openairdocs.org/aircraft/N657AW), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1083
- Aircraft time: 74,269 hours, 29,240 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 2785
- Condition: Fault Message
- Location: Zone 200 - Fuse
- Part time: 59,657 hours, 29,414 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202201037035

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: LEFT OVERWING EMERGENCY BATTERY PACK 11WL SHOWS EXTERNAL LIGHTS FAULT. REMOVED AND REPLACED LEFT CENTER EMERGENCY POWER SUPPLY UNIT PER AMM 33-51-38 OPERATIONS CHECK GOOD AND REMOVED AND REPLACED WING EXIT MARKER (AALA202201030678) OVER WING PER AMM 33-51-15 OPERATIONS CHECK GOOD.

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