# SDR CALA2022030100541

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 1, 2022
- Submitted: March 2, 2022
- Operation: Air carrier
- Aircraft: [N227UA](https://openairdocs.org/aircraft/N227UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30555
- Aircraft time: 77,447 hours, 9,045 cycles
- System (JASC): [3300 · Lighting System](https://openairdocs.org/jasc/3300)
- Part: Battery Pack
- Part number: NA
- Part serial: NA
- Condition: Failed
- Location: Na
- 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/CALA2022030100541

## Discrepancy

EMER LT BATTERY PACK M33408 CAPACITY CHECK FAILED TRANSFER REF. NON-ROUTINE HX NRC WO.626575 AND ORIGINATED BY EMP EMER LT BATTERY PACK M33408 BATTERY REPLACED AND INSTALLATION TEST CARRIED OUT NORMAL IAW AMM 33-51-06. WORK ACCOMPLISHED BY MECHANIC INSPECTED BY

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