# SDR CALA2025042204133

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 21, 2025
- Submitted: April 22, 2025
- Operation: Air carrier
- Aircraft: [N78003](https://openairdocs.org/aircraft/N78003), registered now
- Make and model: Boeing 777224
- Aircraft serial: 27579
- Aircraft time: 120,825 hours, 12,566 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/CALA2025042204133

## Discrepancy

CABIN DOOR 2L M33099 EMER LIGHT BATT PACK TESTED FAILED.   CABIN DOOR 2L M33099 EMER LIGHT BATTERY PACK REPLACED AND TESTED NORMAL IAW AMM33-51-06.

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