# SDR AALA202302093470

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 8, 2023
- Submitted: February 9, 2023
- Operation: Air carrier
- Aircraft: [N137AA](https://openairdocs.org/aircraft/N137AA), registered now
- Make and model: Airbus A300*
- Aircraft serial: 6647
- Aircraft time: 22,471 hours, 8,654 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Condition: No Test
- Location: Zone 200 - Fuse
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202302093470

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: EMERGENCY POWER SUPPLY UNIT 10WL BATTERY FAILED SYSTEM TEST. MAINTENANCE REPLACED EMERGENCY POWER SUPPLY UNIT 10WL (AALA202302091092) AND BATTERY (AALA202302093470). A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLKISHED PER AMM 33-51-00.

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