Service difficulty report · Screw · Cessna 550

Difficulty date
June 11, 2014
Submitted
June 11, 2014
Operation
General aviation
Aircraft
N4614N
Make and model
Cessna 550
Aircraft serial
5500659
Aircraft time
8,475 hours, 5,691 cycles
Part
Screw
Condition
Interference
Location
Zone 500
Part time
8,475 hours, 5,691 cycles
Stage of operation
NR
How discovered
9
Nature of condition
W
Precautionary procedure
O

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

What was found

SCREW INSTALLED TOO LONG FOR INBD HEATING EDGE ON OTBD TOP MOUNTING SCREW HOLE RIB CAUSING DAMAGE AND POSSIBLE FUEL LEAK TO INNER L/E SKIN. IPC CALLS OUT SCREW, PN MS24694-C49 WHICH IS TOO LONG. INSTALLATION SCREW, PN MS24694-C48 WILL PREVENT DAMAGE IF TORQUED CORRECTLY.

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