# SDR DXTA2025102305380

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2025
- Submitted: October 23, 2025
- Operation: Air carrier
- Aircraft: [N863QS](https://openairdocs.org/aircraft/N863QS), registered now
- Make and model: Textrn TEXTRON700
- Aircraft serial: 7000115
- Aircraft time: 1,636 hours, 972 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Proximity Switch
- Condition: Out Of Adjust
- Location: Zone 800
- Stage of operation: CL
- 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/DXTA2025102305380

## Discrepancy

DURING CLIMB EMERGENCY EXIT OPEN CAS MESSAGE ILLUMINATED AND REMAINED ON UNTIL LANDING.  REPEAT WRITE UP.   GAINED ACCESS AND ADJUSTED PROXIMITY SWITCH.  OPS CHECK GOOD.  WORK IAW MM 52-70-15. PRESSURIZED AIRCRAFT TO MAXIMUM DIFFERENTIAL PRESSURE (9.7 PSI). EMERGENCY EXIT DOOR CAS MESSAGE DID NOT APPEAR. WORK DONE IAW MM 21-30-00.

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