# SDR CALA2018122432623

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 21, 2018
- Submitted: December 24, 2018
- Operation: Air carrier
- Aircraft: [N77012](https://openairdocs.org/aircraft/N77012), registered now
- Make and model: Boeing 777224
- Aircraft serial: 29860
- Aircraft time: 97,279 hours, 9,558 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: D71701100
- Condition: Discharged
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2018122432623

## Discrepancy

REFER TO NRC LOG PAGE NO.: 9130371, B777-33-3-0018 CABIN LH DR2 EMERG PWR SUPPLY (M33099) BATTERY CAP CHECK FOUND FAIL. LH DR2 EMERG PWR SUPPLY (M33099) BATTERY PACK REPLACED AND OPERATIONAL TEST RESULT NORMAL IAW AMM 33-51-06. ADD EMP:V898173 INSPECTED BY HX102640.

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