# SDR VNAA202304181115

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2023
- Submitted: April 18, 2023
- Operation: Air carrier
- Aircraft: [N554NN](https://openairdocs.org/aircraft/N554NN), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15334
- Aircraft time: 19,547 hours, 17,600 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Selector Valve
- Part number: 533409
- Part serial: NGL190014
- Condition: Unknown
- Location: 700
- Stage of operation: CL
- How discovered: V
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/VNAA202304181115

## Discrepancy

PROX SYSTEM FAULT CAUTION MESSAGE IN FLIGHT / INTERROGATED MDC FOUND B1 CODE: 007191. TROUBLESHOT IAW CRJ 900 FIM 32-32-10-810-A01. REMOVED AND REPLACED LANDING GEAR SELECTOR VALVE IAW CRJ 900 AMM 32-32-10-000/400-801. OPS CHECK GOOD AT THIS TIME.

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