# SDR 9LVA2025012840001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 24, 2025
- Submitted: January 28, 2025
- Operation: Air carrier
- Aircraft: [N680AV](https://openairdocs.org/aircraft/N680AV), registered now
- Make and model: Cessna 680CE
- Aircraft serial: 6800049
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Downlock Switch
- Condition: Unknown
- Location: Zone 700
- Stage of operation: LD
- How discovered: O
- Nature of condition: J
- Precautionary procedure: L
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9LVA2025012840001

## Discrepancy

CREW PERFORMED EMERGENCY LANDING GEAR EXTENSION DUE TO RH LANDING GEAR NOT DOWN/LOCKED INDICATION. POWERED AIRCRAFT AND FOUND ALL LANDING GEAR SHOWING DOWN/LOCKED. PERFORMED 15 FAULT-FREE LANDING GEAR EXTENSION/RETRACTION CYCLES WITH NO FAULTS NOTED. C/W LANDING GEAR EMERGENCY EXTENSION SYSTEM RESET AND HYDRAULIC SYSTEM BLEED PROCEDURES. SERVICED EMERGENCY EXTENSION PNEUMATIC CYLINDER. OPERATIONAL TESTS COMPLETED SATISFACTORY. WORK PERFORMED IAW TEXTRON C680 AMM CH 32-00-00, 12-12-02, 12-13-01. REMOVED AND INSTALLED NEW R/H MLG DOWNLOCK SWITCH, P/N 6-0373-3, AND PERFORMED HYDRAULIC SYSTEM BLEED.  WORK DONE IAW TEXTRON C680 AMM CH 32-30-40 AND 12-12-02.  LANDING GEAR AND HYDRAULIC SYSTEMS OPS TEST GOOD.

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