# SDR AALA202108278020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 26, 2021
- Submitted: August 27, 2021
- Operation: Air carrier
- Aircraft: [N9026C](https://openairdocs.org/aircraft/N9026C), registered now
- Make and model: Airbus A319-115
- Registry model: [Airbus A319-115](https://openairdocs.org/model/airbus-a319-115) (OpenAirDocs)
- Aircraft serial: 6429
- Aircraft time: 18,065 hours, 8,161 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32146210
- Part serial: 147739
- Condition: Faulted
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: C
- Nature of condition: L, J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202108278020

## Discrepancy

AIRCRAFT WAS GROUNDED: WHEN PERFORMING EMERGENCY LIGHT TEST PER PS CHECK- CIDS 1 EPSU SYST TEST BAT/EPSU (11WL) EMER L FAULT IS DISPLAYED. REPLACED EMERGENCY POWER SUPPLY INIT 11WL(AALA202108278020) AND BATTERY PACK (AALA202108271828) PER AMM 33-51-38. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.

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