# SDR 2026F00227

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 10, 2026
- Submitted: October 12, 2026
- Operation: General aviation
- Aircraft: [N999YG](https://openairdocs.org/aircraft/N999YG), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7075
- Aircraft time: 10,184 hours, 7,399 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Selector Valve
- Part number: 750005000
- Part serial: 0072
- Condition: Defective
- Location: Zone 700
- Part time: 10,184 hours, 7,399 cycles
- Stage of operation: TO
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2026F00227

## Discrepancy

MLG DISAGREE AFTER TAKEOFF, SELECTED MLG UP AFTER TAKEOFF & RECEIVED GEAR DISAGREE WARNING EICAS MSG & AURAL ALERT. NLG SHOWED UP & MAINS DID NOT. RAN QRH EMER 13-3. MESSAGE PERSISTED AFTER SELECTING HYD 2 & 3B ON. PULLED MANUAL RELEASE HANDLE & SELECTED MLG DOWN IAW QRH. ALL MLG SHOWED DOWN & LOCKED. FINISHED QRH PROCEDURE & RETURNED TO KBED.  REMOVED THE MLG SELECTOR VALVE IAW AMM 32-32-10. INSTALLED SERVICABLE MLG SELECTOR VALVE IAW AMM 32- 32-10. FUNCTIONAL TEST OF MLB EXTENSION & RETRACTION SYS WAS GOOD IAW AMM 32-30-00-720-801 NO DEFECTS, LEAK TEST GOOD IAW AMM 32-32-10-400-801. NO DEFECTS NOTED.

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