# SDR CALA2025120211652

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 28, 2025
- Submitted: December 2, 2025
- Operation: Air carrier
- Aircraft: [N216UA](https://openairdocs.org/aircraft/N216UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30549
- Aircraft time: 96,976 hours, 11,627 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/CALA2025120211652

## Discrepancy

L3 DOOR EMERGENCY BATTERY PACK M33406 HAD CAPACITY LOW.  BATTERY PACK M33406 REPLACED AND TESTED NORMAL IAW AMM 33-51-06.

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