SDR 96ZZZX3777

Service difficulty report · Sequence Valve · Piper PA46350P

Difficulty date: February 4, 1996
Submitted: March 26, 2000
Operation: General aviation
Aircraft: N9167Q
Make and model: Piper PA46350P
Aircraft serial: 4622031
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Sequence Valve
Part number: 837683D
Condition: Leaking
Location: Nlg
Part time: 354 hours
Stage of operation: IN
Nature of condition: K
Precautionary procedure: K

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

What was found

DURING INVESTIGATION OF LANDING GEAR PROBLEMS, THE HYDRAULIC RESERVOIR WAS FOUND NEARLY EMPTY. FILLED RESERVOIR AND CHECKED FOR LEAKS. FOUND NLG DOOR SEQUENCE VALVE LEAKING PAST THE PLUNGER. ALSO, FOUND SEVERAL HYDRAULIC LINES LEAKING AT MLG ACTUATORS, AND TWO LINES AT SEQUENCE VALVE.

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