# SDR AALA202509028458

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 31, 2025
- Submitted: September 2, 2025
- Operation: Air carrier
- Aircraft: [N839AA](https://openairdocs.org/aircraft/N839AA), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 40646
- Aircraft time: 27,248 hours, 3,361 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Condition: Inoperative
- Location: Zone 200
- 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/AALA202509028458

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: DURING J/C 78T21033001, FOUND EMERGENCY LIGHT ASSY INOP AT SEAT17D. MAINTENANCE REPLACED 17D FLOOR PROXIMITY EMERGENCY LIGHT ASSY IAW AMM 31-51-06.

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