# SDR DXTA2026060408323

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 2, 2026
- Submitted: June 4, 2026
- Operation: Air carrier
- Aircraft: [N512QS](https://openairdocs.org/aircraft/N512QS), registered now
- Make and model: Cessna 680A
- Registry model: [Cessna 680A](https://openairdocs.org/model/cessna-680a) (OpenAirDocs)
- Aircraft serial: 680A0045
- Aircraft time: 9,633 hours, 6,535 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Pcb
- Part number: 746810120
- Part serial: 336749273
- Condition: Defective
- Location: Door Warning Sys
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2026060408323

## Discrepancy

TOP LOCKING PIN DOES NOT STOW FULLY. CAUSING ASSOCIATED CHECK DOOR CAS, AND CABIN DOOR OPEN CAS.   REMOVED FWD PRINTED LH PCB NC105 PN:7468101-20 SN:33674927-3 DUE TO CHECK DOOR CAS AND INSTALLED CUSTOMER SUPPLIED NEW PCB PN:7468101-20 SN: 35064311-4.  REPLACEMENT AND OPS CHECKS IAW CE680A AMM 24-60-40.  OPS CHECKED GOOD.

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