# SDR AALA202607209864

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 19, 2026
- Submitted: July 20, 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: D71702001
- Part serial: 102751
- Condition: Discharged
- Location: Zone 200
- 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/AALA202607209864

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: ** DOOR 4 LH BATTERY PACK M33405 ( AFT ) POWER VOLTAGE LOW **. MAINTENANCE REPLACED DOOR 4 LH BATTERY PACK M33405 PER AMM 33-51-06 REV 265, 10 JULY 2026.

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