# SDR CALA2025051504698

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 14, 2025
- Submitted: May 15, 2025
- Operation: Air carrier
- Aircraft: [N795UA](https://openairdocs.org/aircraft/N795UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26927
- Aircraft time: 108,948 hours, 14,410 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/CALA2025051504698

## Discrepancy

M/D L3 DOOR FWD EMERGENCY POWER SUPPLY M33400 BATTERY PACK FOUND LOW CAPACITY -   RAISED FROM WORK CARD 86-3350-1-0002.  REPLACED M/D L3 DR FWD EM ERGENCY POWER SUPPLY M33400 BATTERY PACK AS PER AMM 33-51-06-960 -802 REV 103. PERFORMED THE NEW BATTERY PACK INSTALLATION TEST A S PER AMM 33-51-06-960-802 REV 104. PERFORMED THE NEW BATTERY PACK CAPACITY CHECK AS PER AMM 33-51-06-200-801 REV 104. TEST RE SULT NORMAL.

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