# SDR CALA2023040301002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2023
- Submitted: April 3, 2023
- Operation: Air carrier
- Aircraft: [N212UA](https://openairdocs.org/aircraft/N212UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30218
- Aircraft time: 74,018 hours, 15,561 cycles
- System (JASC): [3300 · Lighting System](https://openairdocs.org/jasc/3300)
- Part: Battery Pack
- Part number: ADD71701100
- Part serial: 215063
- Condition: Discharged
- Location: R3
- Stage of operation: IN
- How discovered: O
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023040301002

## Discrepancy

EMER LT BATT PACK M33401 CAPACITY CHK FAILED. WORK TRANSFER NON ROUTINE WO.1564405 AND ORIGINATOR BY V924748 REPLACED EMER LT BATT PACK M33401 AND TESTED NORMAL PER AMM 33-51-06.  WORK ACCOMPLISHED BY MECH V927704 AND INSPECTED BY V896992.

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