# SDR DXTA2026033107466

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 30, 2026
- Submitted: April 1, 2026
- Operation: Air carrier
- Aircraft: [N851QS](https://openairdocs.org/aircraft/N851QS), registered now
- Make and model: Textrn TEXTRON700
- Aircraft serial: 7000104
- Aircraft time: 3,103 hours, 1,891 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Lock Pin
- Condition: Lack Of Lube
- Location: Zone 800
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2026033107466

## Discrepancy

THE MAIN CABIN DOOR IS VERY DIFFICULT TO CLOSE FROM THE INSIDE.   PERFORMED AN EXTERNAL GVI OF THE MAIN CABIN DOOR AND COMPLETED AN OPS CHK PRIOR TO OPENING, NO DISCREPANCIES. AFTER CONNECTING  ACFT BATTERIES,  MAIN CABIN DOOR WAS OPENED & A FOLLOW- UP INTERNAL GVI WAS CONDUCTED. DURING THIS INSP, DOOR LOCK PIN HOLES WERE FOUND TO BE CONTAMINATED WITH DIRT & DEBRIS. AREAS CLEANED & LUBRICATED .   MAIN CABIN DOOR WAS THEN ACTUATED FROM INSIDE,  LOCKING MECH EXHIBITED NOTICEABLY SMOOTHER MOVEMENT.   DOOR LOCK INDICATION SENSOR OBSERVED TO EXTINGUISH AT THE CORRECT POINT

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