SDR 97ZZZX4599

Service difficulty report · Bearing · Cessna 550

Difficulty date
October 15, 1997
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N47SW
Make and model
Cessna 550
Aircraft serial
5500444
Part
Bearing
Part number
55423087
Condition
Nut Loose
Location
Nlg Strut
Component
55420009
Stage of operation
CL
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

NLG WOULD CYCLE IN THE NOSE WHEELWELL. HYDRAULIC PRESSURE 'ON' LIGHT WOULD ILLUMINATE EVERY TIME THE GEAR CYCLED. FOUND THE NOSE STRUT BEARING HAD LOOSENED AND BACKED OFF. THIS ALLOWED THE STRUT TO EXTEND BEYOND LIMITS. WITH THE STRUT EXTENDED BEYOND LIMITS, THE GEAR UPLOCK HOOK WOULD NOT ENGAGE IN UPLOCK AND THE GEAR WOULD START TO DROP OUT OF THE WHEELWELL. THIS WOULD TURN ON THE HYD DRIVE AND THE GEAR BACK UP INTO THE WHEELWELL.

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