# SDR DXTA2026010806437

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 4, 2026
- Submitted: January 8, 2026
- Operation: Air carrier
- Aircraft: [N211QS](https://openairdocs.org/aircraft/N211QS), registered now
- Make and model: Cndair CL6002B16
- Aircraft serial: 6058
- Aircraft time: 8,614 hours, 4,781 cycles
- System (JASC): [3220 · Nose/Tail Landing Gear](https://openairdocs.org/jasc/3220)
- Part: Landing Gear
- Part number: 16600103
- Part serial: 13SM00028
- Condition: Faulted
- Location: Zone 700
- Stage of operation: CL
- 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/DXTA2026010806437

## Discrepancy

REPEAT WRITE UP AFTER TAKOFF AFTER GEAR RETRACTION A RED CAS MESSAGE NOSE GEAR OPEN GEAR DISAGREE DISPLAYED. WE COMPLETED THE REQUIRED CHECKLISTS AND RETURNED TO A NORMAL LANDING AND TAXI TO PARKING CORRECTIVE ACTION: REMOVED NLG UPLOCK ACTUATOR. TECH AP3636666 OKAY TO INSTALL REPLACEMENT UPLOCK ACTUATOR. RII AP3399800 / INSTALLED REPAIRED UPLOCK ACTUATOR ASSY. TECH AP3636666 VERIFIED INSTALLATION PER CL650 AMM 32-32-04-400-801 RII AP 3399800- / VERIFIED RIGGING PER CL650 AMM 32-32-04-400-801 RII AP 3399800 PERFORMED OPERATIONAL TEST OF NLG UPLOCK ACTUATOR ASSY PER CL650 AMM 32-32-04-400-801. NO DEFECTS NOTED. OPS CHECK GOOD. TECH AP3636666 RII AP 3399800

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