# SDR AALA202111153502

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 12, 2021
- Submitted: November 15, 2021
- Operation: Air carrier
- Aircraft: [N815AW](https://openairdocs.org/aircraft/N815AW), registered now
- Make and model: Airbus A319-132
- Registry model: [Airbus A319-132](https://openairdocs.org/model/airbus-a319-132) (OpenAirDocs)
- Aircraft serial: 1323
- Aircraft time: 66,146 hours, 29,510 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Condition: Fault Message
- Location: Zone 200 - Fuse
- Stage of operation: IN
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202111153502

## Discrepancy

AIRCRAFT WAS GROUNDED: BUILT IN TEST EQUIPMENT TEST FOR EMERGENCY LIGHTS REPORTS EMERGENCY POWER SUPPLY UNIT INTERNAL LOAD EMERGENCY LEFT FAULT. REMOVED AND REPLACED 10WL EMERGENCY POWER SUPPLY UNIT (AALA202111159278) AND BATTERY. REMOVED AND REPLACED 13WL EMERGENCY POWER SUPPLY UNIT (AALA202111152527) AND BATTERY (AALA202111159246). REMOVED AND REPLACED BATTERY (AALA202111150299) ON 12WL EMERGENCY POWER SUPPLY UNIT. ALL REQUIRED OPERATIONS TESTS PASS. PER TSM 33-51-00-810-807-A. NO FAULTS AT THIS TIME. OK FOR SERVICE.

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