# SDR CALA2024112702959

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 21, 2024
- Submitted: November 27, 2024
- Operation: Air carrier
- Aircraft: [N218UA](https://openairdocs.org/aircraft/N218UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30222
- Aircraft time: 90,052 hours, 10,577 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: ADD71701100
- Condition: Discharged
- Location: Zone 200
- 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/CALA2024112702959

## Discrepancy

M/D R4 DOOR FWD EMERGENCY LIGHT POWER SUPPLY M33408 BATTERY FOUND LOW CAPACITY DURING DEEP-CYCLE TEST, REF HAECO NON-ROUTINE NO.9498880 - ORIGINATED BY EMP V903218,SPEC NO.B777-33-3-7019. PERFORMED BY EMP V903218 - REPLACED M/D R4 DOOR FWD EMERGENCY LIGHT POWER SUPPLY M33408 BATTERY AND C/O NEW BATTERY PACK TEST THE RESULT NORMAL AS PER AMM 33-51-06-960-802 REV 102.

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