# SDR CALA2023030900645

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 6, 2023
- Submitted: March 9, 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): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Condition: Failed
- Location: M33406/M33408
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023030900645

## Discrepancy

FOR SDR TRACKING ONLY. REF ST ENGINEERING N/R 97338, DOOR 3L AND 3R FAIL EMERGENCY LIGHT DEEP CYCLE TEST FOR SDR TRACKING EMERGENCY LIGHT BATTERIES M33406 AND M33408 REPLACED

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