# SDR CALA2017042801135

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 2017
- Submitted: April 29, 2017
- Operation: Air carrier
- Aircraft: [N222UA](https://openairdocs.org/aircraft/N222UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30553
- Aircraft time: 68,062 hours, 8,006 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 71701100
- 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/CALA2017042801135

## Discrepancy

ZONE ''C'' DOOR 3 LT CEILING AREA EMERGENCY LT INOP. M33405 BATTERY REPLACED AND EMERGENCY LT SYSTEM FUNCTIONAL TEST FOUND ''C'' ZONE DOOR 3 LT CEILING AREA EMERGENCY LT ''NORMAL'' REF AMM 33-51-00-710-801 REV 79.

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