# SDR CALA2023022700556

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 25, 2023
- Submitted: February 27, 2023
- Operation: Air carrier
- Aircraft: [N79011](https://openairdocs.org/aircraft/N79011), registered now
- Make and model: Boeing 777224
- Aircraft serial: 29859
- Aircraft time: 106,669 hours, 10,856 cycles
- System (JASC): [3300 · Lighting System](https://openairdocs.org/jasc/3300)
- Part: Battery Pack
- Part number: AOD71701100
- Part serial: 221754
- Condition: Failed
- Location: Ohar
- 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/CALA2023022700556

## Discrepancy

OVERHEAD ATTENDANT REST (OHAR) EMERGENCY LIGHT DO NOT COME ON DU RING OPERATIONAL CHECK (T/S) B777-33-3-7028 REMOVED AND REPLACED EMERGENCY POWER SUPPLY AT OHAR OPS CHECK GO OD ALL IAW B777 AMM TASK 33-51-06-960-803 COMPLETED ON ST NON RO UTINE 97224

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