# SDR DXTA2021021004705

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 2021
- Submitted: February 11, 2021
- Operation: Air carrier
- Aircraft: [N574QS](https://openairdocs.org/aircraft/N574QS), registered now
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605820
- Aircraft time: 10,003 hours, 7,883 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Pcb
- Part number: 661870726
- Part serial: 0380
- Condition: Defective
- Location: Pax Door
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2021021004705

## Discrepancy

UPON REACHING FL390 THE CABIN DOOR ANNUNCIATOR ILLUMINATED. ALL GREEN FLAGS WERE VISIBLE AND NO OTHER WARNING LIGHTS (SIX PACK) WERE ILLUMINATED.///SIGN-OFF///REMOVED MAIN CABIN DOOR STEPS PER CE-560XL MM 52-10-02. OPERATED MAIN CABIN DOOR WITH NO FAULTS FOUND. SHOOK DOWN WIRING AND FROZE SWITCHES. NO FAULTS FOUND. REMOVED AND REPLACED CABIN DOOR MONITOR PCB PER CE-560XL MM 24-51-02-2. MAIN CABIN DOOR INDICATION OPS CHECKS GOOD PER CE-560XL MM 52-70-00-2. REINSTALLED MAIN CABIN DOOR STEPS PER CE-560XL MM 52-10-02.

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