SDR 96ZZZX2903

Service difficulty report · Bolt · Cessna S550

Difficulty date
April 30, 1996
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N9GT
Make and model
Cessna S550
Aircraft serial
S5500159
Part
Bolt
Part number
NAS464P413
Condition
Misinstalled
Location
Flap Control
Stage of operation
IN
Nature of condition
W
Precautionary procedure
K

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

What was found

PHASE INSPECTION. INSPECTOR WAS CHECKING FLAP TENSION AND FOUND FLAP CABLE MISALIGNED WHEN FLAPS RETRACTED. FURTHER INVESTIGATION REVEALED INBD FLAP CONTROL BELLCRANK FWD PUSHROD BOLT INSTALLED WITH HEAD OF BOLT UP. THIS CAUSED INTERFERENCE WITH THE SHANK, HITTING FLAP CABLE. PARTS AND MM SHOWS PROPER INSTALLATION WITH HEAD OF BOLT DOWN. TO PROVIDE CLEARANCE - NOTE: ONLY THE INBD BELLCRANK BOLT IS INSTALLED WITH HEAD DOWN. OTBD BELLCRANKS, THE BOLT HEAD IS INSTALLED IN THE 'UP' POSITION.

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