# SDR AALA202404296182

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 2024
- Submitted: April 29, 2024
- Operation: Air carrier
- Aircraft: [N786AN](https://openairdocs.org/aircraft/N786AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30250
- Aircraft time: 91,648 hours, 11,536 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71701001
- Condition: No Test
- 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/AALA202404296182

## Discrepancy

AIRCRAFT WAS IN BASE MAINTENANCE:  EMERGENCY BATTERIES M33401 FAILED OPERATIONAL TEST BY ENTRY DOOR R3. MAINTENANCE REPLACED EMERGENCY BATTERIES PACKS M33401 AT ENTRY DOOR R3 AND PERFORMED OPERATIONAL TEST IAW B777-2 AMM 33-51-06.

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