# SDR CALA2022122103449

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2022
- Submitted: December 21, 2022
- Operation: Air carrier
- Aircraft: [N2331U](https://openairdocs.org/aircraft/N2331U), registered now
- Make and model: Boeing 777-300ER
- Registry model: [Boeing 777-300ER](https://openairdocs.org/model/boeing-777-300er) (OpenAirDocs)
- Aircraft serial: 62642
- Aircraft time: 23,883 hours, 2,647 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71701100
- Part serial: 424555
- Condition: No Test
- Location: Emergency Lights
- 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/CALA2022122103449

## Discrepancy

DR L5 EMER LIGHT BATTERY M33407 CAPACITY CHECK FAIL WORK.  EMERG LT BATTERY M33407 REPLACED & TEST RESULT NORMAL IAW AMM 33-51-06.

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