Service difficulty report · Bracket · Cessna 208B

Difficulty date
March 26, 2012
Submitted
March 26, 2012
Operation
General aviation
Aircraft
N128ST
Make and model
Cessna 208B
Aircraft serial
208B1133
Aircraft time
2,793 hours, 1,615 cycles
Engine
Pwa PT6*
Engine time
2,793 hours, 1,615 cycles
Part
Bracket
Part number
26221101
Condition
Worn
Location
Te Flap
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

DURING A ROUTINE INSPECTION, FOUND RT AND LT INBD AFT FLAP BELLCRANKS TO HAVE EXCESSIVE PLAY IN ATTACH BRACKETS. DURING DISASSEMBLY A TORQUE CHECK WAS DONE ON THE CENTER STUD AND FOUND TO BE UNDER THE TORQUE VALUE OF 35"LB WHICH IN TURN WAS A .2500 TURN OF THE STUD. AFTER COMPLETE DISASSEMBLY OF BOTH INBD BELLCRANKS IT WAS FOUND THAT BOTH RT AND LT UPPER BRACKETS HAD EXCESSIVE WEAR IN THE CENTER HOLE. REPLACED UPPER ATTACH BRACKETS AND VERIFIED FLAP RIGGING.

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