# SDR CALA2025100609659

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2025
- Submitted: October 6, 2025
- Operation: Air carrier
- Aircraft: [N797UA](https://openairdocs.org/aircraft/N797UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26924
- Aircraft time: 110,643 hours, 14,294 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- 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/CALA2025100609659

## Discrepancy

M/D R1 DOOR EMERGENCY POWER SUPPLY M33094 BATTERY PACK FOUND POOR CONDITION.   REPLACED M/D R1 DOOR EMERGENCY POWER SUPPLY M33094 BATTERY PACK AND PERFORMED NEW BATTERY PACK INSTAL LATION TEST THE TEST RESULT NORMAL AS PER AMM 33-51-06-960-802 R EV.105.

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