# SDR DXTA2025052703605

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 22, 2025
- Submitted: May 27, 2025
- Operation: Air carrier
- Aircraft: [N793QS](https://openairdocs.org/aircraft/N793QS), registered now
- Make and model: Bombdr BD1001A10
- Aircraft serial: 20636
- Aircraft time: 9,235 hours, 5,439 cycles
- System (JASC): [3297 · Landing Gear System Wiring](https://openairdocs.org/jasc/3297)
- Part: Wire
- Condition: Disconnected
- Location: Zone 700
- Stage of operation: DE
- 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/DXTA2025052703605

## Discrepancy

PROX SYS FAULT CYAN CAS: DURING DESCENT FROM FL240; THE CYAN "PROX SYS FAULT" CAS WAS INTERMITTENTLY FLASHING ON AND OFF, VIDEO SENT. SENT THE MX PAGE WITH 2 DISCREPANCIES RELATED TO PAX DOOR SENSOR AND LEFT MAIN GEAR WOW. B3-007473, B3-007569, RESPECTIVELY. CORRECTIVE ACTION: RECONNECTED WIRE TBT3157W AT SOCKET A2 OF SPLICE SP126 DUE TO WIRE NOT FULLY SEATED IN CONNECTOR IAW THE BOMBARDIER CHALLENGER 350 WDM CHAPTER 52-71-01. OPERATIONAL CHECKS SATISFACTORY. REMOVED PSUE PART NO: 30227-0503 SERIAL NO: 0952 AS PRECAUTIONARY IAW THE BOMBARDIER CHALLENGER 350 AMM PART II TASK 32-61-09-000-801. INSTALLED NETJETS PROVIDED MODIFIED UNIT PART NO: 30227-0503 SERIAL NO: 0587 BY SIMMONDS PRECISION PRODUCTS, INC. CRS# CV1R074K WO# 46787090 R1112002 DATED 28APR2025 IAW THE BOMBARDIER CHALLENGER 350 AMM PART II TASK 32-61-09-400-801. OPERATIONAL CHECKS SATISFACTORY.

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