# SDR CALA2023100902999

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 7, 2023
- Submitted: October 9, 2023
- Operation: Air carrier
- Aircraft: [N773UA](https://openairdocs.org/aircraft/N773UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26929
- Aircraft time: 102,360 hours, 19,211 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Part serial: 185892
- Condition: Discharged
- Location: Door L2  M33095
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023100902999

## Discrepancy

FOUND CABIN L2 DOOR AREA EMERGENCY POWER SUPPLY M33095 BATTERY LOW CAPACITY, REFER TO HAECO NR NO. 9464552, SPEC NO. B777-33-3- 7019. PERFORMED BY EMP V903250 IDT BT TA308, REPLACED THE CABIN L2 DOOR AREA EMERGENCY POWER SUPPLY M33095 BATTERY AND OPERATIONAL TEST CARRIED OUT, FOUND NORMAL AS PER AMM 33-51-06-960-802 REV99 & AMM 33-51-00-710-801 REV 99.

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