Service difficulty report · Flap System · Cessna 172M

Difficulty date
July 14, 2009
Submitted
August 21, 2009
Operation
General aviation
Aircraft
N5094R
Make and model
Cessna 172M
Aircraft serial
17263332
Part
Flap System
Part number
052390138
Condition
Misrigged
Location
Te Flaps
Stage of operation
IN
How discovered
9
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

DURING THE ANNUAL INSP, IT APPEARED THAT AT LEAST ONE OF THE ROD END BRGS ON THE FLAP CONTROL ROD, PN 0523537-2, WERE FROZEN, WHEN THE FLAPS WERE FULLY EXTENDED. NEITHER ROD END BEARING WAS FROZEN. THE FLAPS WERE MISRIGGED PUTTING EXCESSIVE LOAD ON THE CONTROL ROD ATTEMPTING TO MOVE THE FLAPS PAST THE STOP. THE FLAPS WERE RERIGGED IAW SRM. THE AIRPLANE WAS REPAINTED IN 2005. THERE WAS NO RECORD OF THE REPAINT ENTERED IN THE MX RECORDS. IT APPEARS THE FAULTY FLAP RIGGING OCCURRED WHEN THE AIRPLANE WAS PAINTED.

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