# SDR AALA202405154984

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 10, 2024
- Submitted: May 15, 2024
- Operation: Air carrier
- Aircraft: [N810AN](https://openairdocs.org/aircraft/N810AN), registered now
- Make and model: Boeing 787-8
- Registry model: [Boeing 787-8](https://openairdocs.org/model/boeing-787-8) (OpenAirDocs)
- Aircraft serial: 40628
- Aircraft time: 31,321 hours, 4,179 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: UNKNOWN
- Condition: Failed
- Location: Control Unit
- 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/AALA202405154984

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: DOOR 3 LEFT HAND FORWARD SEAT REMOTE WELS CONTROL UNIT BATTERY POWER FAILED, MAINT MSG 33-11426.**SUPPLEMENTAL REPORT FOR (AALA202405144984): FUNCATIONAL CHECK GOOD, NO FAULT FOUND WITH WELS BATTERY. PER AMM B787-33-51-07.

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