# SDR AALA202111304948

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 29, 2021
- Submitted: November 30, 2021
- Operation: Air carrier
- Aircraft: [N748UW](https://openairdocs.org/aircraft/N748UW), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1311
- Aircraft time: 54,767 hours, 34,893 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Condition: Discharged
- 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/AALA202111304948

## Discrepancy

AIRCRAFT WAS GROUNDED: EMERGENCY LIGHTING SYSTEM BATTERIES DEPLETED.  EMERGENCY LIGHTING SYSTEM INOPERATIVE. CHARGED EMERGENCY BATTERIES AND PERFORMED BITE TEST OF THE EMERGENCY POWER SUPPLY UNITS PER AMM 33-51-00-710-001-A OPS CHECKS GOOD

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