# SDR VNAA2026061618901

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 13, 2026
- Submitted: June 17, 2026
- Operation: Air carrier
- Aircraft: [N633NN](https://openairdocs.org/aircraft/N633NN), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15377
- Aircraft time: 22,911 hours, 17,761 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Selector Valve
- Part number: 2322H000005
- Part serial: NGL187713
- Condition: Unserviceable
- Location: Zone 700
- Part time: 8,592 hours, 7,606 cycles
- Stage of operation: NR
- 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/VNAA2026061618901

## Discrepancy

PROX SYSTEM CAUTION. QRH PROCEDURE COMPLETED.  REMOVED AND REPLACED VALVE ASSY MLG SELECTOR IAW AMM 32-32-10-000-400-801-A01. OPS CHECK OF THE LANDING GEAR EXTENSION/RETRACTION SYSTEM GOOD AT THIS TIME. THIS CLEARS PROX SYSTEM CAUTION MESSAGE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.