# SDR DXTA2026050507892

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 2, 2026
- Submitted: May 5, 2026
- Operation: Air carrier
- Aircraft: [N189QS](https://openairdocs.org/aircraft/N189QS), registered now
- Make and model: Bombdr BD7001A12
- Aircraft serial: 70195
- Aircraft time: 1,375 hours, 539 cycles
- System (JASC): [3231 · Landing Gear Door Retract Section](https://openairdocs.org/jasc/3231)
- Part: Selector Valve
- Part number: 112183
- Part serial: 0649
- Condition: Inoperative
- Location: Zone 700
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2026050507892

## Discrepancy

BOTH MAIN GEAR DOOR AMBER CAS MESSAGES ILLUMINATED AFTER GEAR SELECTED DOWN.  REMOVED LANDING GEAR DOOR SELECTOR VALVE, INSTALLED OVERHAULED CUSTOMER SUPPLIED LANDING GEAR DOOR SELECTOR VALVE. WORK PERFORMED IN REF WITH GL 7500 MM 32-31-03, 53-30-01. OPS CHECK AND LEAK CHECK GOOD. GEAR SWING CHECKS GOOD. GEAR DOORS CLOSED CORRECLTY ON NOSE AND MAIN GEARS. NO DEFECTS NOTED.

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