# SDR VNAA2026082723601

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 24, 2026
- Submitted: August 27, 2026
- Operation: Air carrier
- Aircraft: [N523AE](https://openairdocs.org/aircraft/N523AE), registered now
- Make and model: Cndair CL6002C10
- Aircraft serial: 10152
- Aircraft time: 48,770 hours, 37,387 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Actuator
- Part number: 522505
- Part serial: SPP020195
- Condition: Faulted
- Location: Mlg Downlock
- Part time: 48,770 hours, 37,387 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/VNAA2026082723601

## Discrepancy

GEAR DISAGREE/NLG UNCOMMANDED MOVEMENT/CABIN ALT INCREASED RAPIDLY.  PERFORMED A HEALTH STATUS CHECK OF THE  PROXIMITY SENSOR IN THE MDC IAW 32-61-00-710-801 HEALTH CHECK GOOD NO DEFECT NOTED. TROUBLESHOOT NLG IAW SDS 32-30-00-001 AND SSM 32-30-00. SUSPECTED LOCK ACTUATOR TO BE THE CAUSE. REMOVED AND REPLACED NLG LOCK ACTUATOR IAW AMM 32-32-08-000/400-801. SWUNG NLG SEVERAL TIMES AND HELD UP FOR 5 MIN TWICE. FAULT DID NOT REAPPEAR. OPS CHECK GOOD.

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