# SDR CALA2023060701768

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 6, 2023
- Submitted: June 7, 2023
- Operation: Air carrier
- Aircraft: [N225UA](https://openairdocs.org/aircraft/N225UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30554
- Aircraft time: 81,348 hours, 9,594 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Part serial: 288275
- Condition: Inoperative
- Location: Door 3l
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023060701768

## Discrepancy

EMERGENCY LIGHT AT ROWS 22CBA TO 38CBA FAILED TO STAY ON AFTER D EEP-CYCLE TEST (B777-33-3-7019) REMOVED AND REPLACED BATTERY PACK AT DOOR 3L IAW B777 AMM 33-51- 06-960-802 OPS CHECK GOOD (ALL MAINTENANCE PERFORMED ON VTSAA N/ R 101146)

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