# SDR DXTA2026091809734

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 16, 2026
- Submitted: September 18, 2026
- Operation: Air carrier
- Aircraft: [N887QS](https://openairdocs.org/aircraft/N887QS), registered now
- Make and model: Textrn TEXTRON700
- Aircraft serial: 7000147
- Aircraft time: 1,415 hours, 822 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Faulted
- Location: Zone 200
- Stage of operation: TX
- How discovered: C
- Nature of condition: L
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2026091809734

## Discrepancy

EMERGENCY LIGHTS WILL NOT TURN OFF WITH EMERGENCY LIGHT SWITCH OFF OR IN ARM WITH BATTERY SWITCHES ON.    ALL INTERIOR EMERGENCY LIGHTS ARE ON.  LEFT WING INSPECTION LIGHT ILLUMINATED.  RIGHT OVER WING LIGHT ILLUMINATED. RIGHT WING INSPECTION OFF.    COMPLETED QRH PROCEDURE AND LIGHTS DID NOT GO OUT.   REMOVED AFT CLOSET WALL, RESET THE RH EMER POWER SUPPLY UNIT AND GOT THE EMER LIGHTS WORKING NORMALLY AGAIN, OPS CHECK GOOD, NO FURTHER DEFECTS NOTED. REINSTALLED AFT WALL. WORK REF AMM 33-50-03

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