# SDR CALA2023122203710

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 18, 2023
- Submitted: December 22, 2023
- Operation: Air carrier
- Aircraft: [N57016](https://openairdocs.org/aircraft/N57016), registered now
- Make and model: Boeing 777224
- Aircraft serial: 28679
- Aircraft time: 109,907 hours, 11,175 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: UNKNOWN
- Condition: No Test
- Location: Emergency Lights
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023122203710

## Discrepancy

B777-33-3-7019, DR R4 EMER LIGHT BATTERY M33409 CAPACITY CHECK FAIL. TRANSFER REF.NON-ROUTINE HX NRC WO.2629097. DR R4 EMER LIGHT BATTERY M33409 REPLACED AND TESTED NORMAL AS PER AMM 33-51-06.

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