# SDR DXTA2026062408526

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 2026
- Submitted: June 24, 2026
- Operation: Air carrier
- Aircraft: [N766QS](https://openairdocs.org/aircraft/N766QS), registered now
- Make and model: Bombdr BD1001A10
- Aircraft serial: 20526
- Aircraft time: 11,451 hours, 6,687 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Warning Message
- Condition: Illuminated
- Location: Zone 700
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2026062408526

## Discrepancy

AFTER TAKEOFF AND SELECTING GEAR UP THE AMBER GEAR DISAGREE AND CYAN PROX SYS FAULT DISPLAYED ALONG WITH LT GEAR SHOWING  EXTENDED WITH THE GEAR HANDLE IN THE UP POSITION.  COMPLIED WITH CHECKLIST AND DIVERTED TO KIAD WITH NO FURTHER ISSUES.   INTERROGATED THE MDC AND FOUND THAT SENSOR PX39, PX09 AND PX05 WAS WITHIN THE TOLERANCE RANGE AND THE HEALTH WAS OK BUT SENSOR PX39 WAS RIGGED CLOSE TO THE EDGE OF THE TOLERANCE RANGE.  PERFORMED A GEAR SWING & FOUND AFTER GEAR WAS RETRACTED WE GOT A PROX SYS FAULT MSG. AFTER INTERROGATING THE MDC FOUND THAT THE FAULT CODE WAS LGDLK2 SENSOR B3-007504 INDICATING THAT SENSOR PX39 IS REPORTING HEALTHY BUT OUT OF THE TOLERANCE RANGE. WORK PERFORMED IAW AMM 32-61-00.

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