SDR 95ZZZX3596

Service difficulty report · Clamp · Lear 55C

Difficulty date
July 1, 1995
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N40CR
Make and model
Lear 55C
Aircraft serial
144
Part
Clamp
Part number
W901B16DE
Condition
Opened
Location
Rt Eng Fuel
Component
174026701
Stage of operation
NR
Nature of condition
K, X
Precautionary procedure
O

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

What was found

MAIN FUEL LINE SUPPLY FROM RT WING TO RT ENGINE CLAMP OPENED UP WHILE AIRCRAFT WAS IN FLIGHT CAUSING FUEL LOSS. FUEL IMBALANCE AND RIGHT ENGINE FLAME-OUT AFTER LANDING. THIS CLAMP IS EASILY OPENED BY JUST BUMPING IT. RIGHT MAIN FUEL LINE HAS NO STAND-OFF TO KEEP IT FROM MOVING, ALSO, NO SAFETY WIRE HOLES ON CLAMP HOUSING. SUBMITTER SUGGESTS WRAPPING ALL CLAMPS WITH SAFETY WIRE UNTIL CLAMP CAN BE REDESIGNED.

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