# SDR AALA202607226980

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 21, 2026
- Submitted: July 23, 2026
- Operation: Air carrier
- Aircraft: [N720AN](https://openairdocs.org/aircraft/N720AN), registered now
- Make and model: Boeing 777323ER
- Aircraft serial: 33522
- Aircraft time: 52,997 hours, 6,160 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: BPAS105
- Part serial: 2824
- Condition: No Test
- Location: Zone 200
- Part time: 5,390 hours, 645 cycles
- 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/AALA202607226980

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE:  CABIN - R3 DR EPAS BACKUP BATTERY LIGHT TEST FAIL. MAINTENANCE REPLACED R3 DOOR EPAS B/U BATTERY AND BATTERY LIGHT TEST NORMALAS PER AMM 52-12-24 REV 265, 10 JUL 26.

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