# SDR CALA2023122603735

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 22, 2023
- Submitted: December 26, 2023
- Operation: Air carrier
- Aircraft: [N78004](https://openairdocs.org/aircraft/N78004), registered now
- Make and model: Boeing 777224
- Aircraft serial: 27580
- Aircraft time: 113,955 hours, 11,827 cycles
- System (JASC): [3300 · Lighting System](https://openairdocs.org/jasc/3300)
- Part: Battery Pack
- Part number: ADD71701100
- Part serial: 222098
- Condition: No Test
- Location: L4 Door
- 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/CALA2023122603735

## Discrepancy

CABIN DOOR L4 EMER LT POWER PACK M33407 CAPACITY CHK FAIL REF HX NR WO.2594346, CABIN L4 EMER LT BATTERY PACK M33407 REPLACED AND INSTALLATION T EST CARRIED OUT WITH NORMAL RESULT AS PER AMM 33-51-06.

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