# SDR AALA202303301641

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 29, 2023
- Submitted: March 30, 2023
- Operation: Air carrier
- Aircraft: [N9002U](https://openairdocs.org/aircraft/N9002U), registered now
- Make and model: Airbus A319-115
- Registry model: [Airbus A319-115](https://openairdocs.org/model/airbus-a319-115) (OpenAirDocs)
- Aircraft serial: 5698
- Aircraft time: 25,774 hours, 12,237 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: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202303301641

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: LEFT HAND EXTERNAL WING EMERGENCY LIGHTS ARE INOPERATIVE. REPLACED EMERGENCY POWER SUPPLY UNIT 11WL (AALA202303306983) AND BATTERY (AALA202303301641) PER AMM 33-51-38. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.

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