# SDR CALA2022071501748

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 2022
- Submitted: July 15, 2022
- Operation: Air carrier
- Aircraft: [N772UA](https://openairdocs.org/aircraft/N772UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26930
- Aircraft time: 96,993 hours, 17,788 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Part serial: 188913
- Condition: Inoperative
- Location: Lh Door 4 Overhe
- Stage of operation: IN
- How discovered: O
- Nature of condition: L
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2022071501748

## Discrepancy

LH DOOR 4 MAIN AISLE EMERGENCY LIGHT CAN NOT STAY ON 15 MINUTES REF HAECO NON-ROUTINE NO.9490059,ORIGINATED BY EMP V903194,SPEC NO.B777-33-3-7019. PERFORMED BY EMP V905356,REPLACED THE M33407 BATTERY AND INSTALL ATION TEST FOUND RESULT "NORMAL" REF AMM 33-51-06-960-803 REV95. IDT BY TA407.

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