# SDR AALA202302020648

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 1, 2023
- Submitted: February 2, 2023
- Operation: Air carrier
- Aircraft: [N804AW](https://openairdocs.org/aircraft/N804AW), registered now
- Make and model: Airbus A319-132
- Registry model: [Airbus A319-132](https://openairdocs.org/model/airbus-a319-132) (OpenAirDocs)
- Aircraft serial: 1043
- Aircraft time: 72,764 hours, 33,465 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: AD321431
- Condition: Failed
- Location: Zone 200 - Fuse
- Stage of operation: IN
- How discovered: C
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202302020648

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: WHILE ACCOMPISHING EMERGENCY LIGHTING BITE TEST, FORWARD EMERGENCY POWER SUPPLY UNIT BATTERY FAULT DISPLAYED. MAINTENANCE REPLACED THE BATTERY FOR THE FORWARD EMERGENCY POWER SUPPLY UNIT PER AMM 33-51-38 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.

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