# SDR CALA2018091901974

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 19, 2018
- Submitted: September 19, 2018
- Operation: Air carrier
- Aircraft: [N779UA](https://openairdocs.org/aircraft/N779UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26941
- Aircraft time: 86,369 hours, 15,428 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Condition: Discharged
- Location: Cabin
- 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/CALA2018091901974

## Discrepancy

CABIN DOOR 4R EMER LIGHT OP TEST FAIL. CABIN DOOR 4R EMER LIGHT POWER SUPPLY BATTERY M33408 REPLACED & TEST RESULT NORMAL IAW AMM 33-51-06.

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