# SDR AALA202105109011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 7, 2021
- Submitted: May 11, 2021
- Operation: Air carrier
- Aircraft: [N732AN](https://openairdocs.org/aircraft/N732AN), registered now
- Make and model: Boeing 777323ER
- Aircraft serial: 31549
- Aircraft time: 26,336 hours, 2,988 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Part serial: 256003
- Condition: Inoperative
- Location: Emergency Lights
- 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/AALA202105109011

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: L4 EMERGENCY LIGHTS INOPERATIVE. REPLACED L4 DOOR BATTERY M33405 IAW B777-300 AMM 33-51-06, OPS CHECK GOOD.

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