# SDR AALA202609141075

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 10, 2026
- Submitted: September 15, 2026
- Operation: Air carrier
- Aircraft: [N789AN](https://openairdocs.org/aircraft/N789AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30252
- Aircraft time: 99,177 hours, 12,894 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 285W0955
- Condition: No Test
- Location: L3 Epas
- 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/AALA202609141075

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: L3 DOOR EPAS BATTERY FAILED SELF TEST ON WC 72C80052002.  REMOVED AND REPLACED EPAS BATTERY PACK IAW AMM 52-11-20.

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