Service difficulty report · Uplock · Cessna 750

Difficulty date
August 20, 2004
Submitted
August 25, 2004
Operation
Air carrier
Aircraft
N979QS
Make and model
Cessna 750
Aircraft serial
7500079
Aircraft time
4,932 hours, 3,084 cycles
Engine
Allsn AE3007C
Part
Uplock
Condition
Maladjustment
Location
Landing Gear
Part time
4,932 hours, 3,084 cycles
Component
Landing Gear
Component part number
67421601
Stage of operation
CR
How discovered
C
Nature of condition
J
Precautionary procedure
A

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

What was found

IN CRUISE FLT, NOSE GEAR WENT INTO A SERIES OF UNLOCKS (WITH RED LIGHT) AND RETRACTS. FOUND NOSE STRUT EXTENSION EXCEEDED 9.63 INCHES CAUSING NOSE GEAR NOT TO FULLY SEAT IN UPLOCK ASSY. DISASSEMBLED NOSE STRUT AND FOUND ORIFICE FITTING NOT TORQUED. REPACKED NOSE STRUT IAW 750 CMM 32-20-02. SERVICED NOSE STRUT IAW 750 MM 12-10-38. CYCLED GEAR SEVERAL TIMES. OPS CHECK GOOD.

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