SDR 9809469876

Service difficulty report · Valve · Doug DC951

Difficulty date: May 31, 1998
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N785NC
Make and model: Doug DC951
Aircraft serial: 48110
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Valve
Part number: 59164605509
Condition: Inoperative
Location: Nlg
Part time: 49,670 hours
Stage of operation: DE
Nature of condition: J
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

THE NOSE LANDING GEAR DID NOT EXTEND. THE FLIGHT CREW FOLLOWED COM PROCEDURES, MANUALLY EXTENDED THE NOSE LANDING GEAR, AND LANDED AT MEM WITHOUT INCIDENT. MAINTENANCE REPLACED THE LANDING GEAR CONTROL VALVE AND THE NOSE LANDING GEAR CYLINDER. (CYLINDER NO HELP) OPERATIONAL CHECK NORMAL.

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