Service difficulty report · Support Bracket · Cessna 208B

Difficulty date
December 4, 2009
Submitted
January 19, 2010
Operation
General aviation
Make and model
Cessna 208B
Aircraft time
7,874 hours
Engine
Pwa PT6A114
Propeller
Mcauly 3GFR34C703
Part
Support Bracket
Part number
26111441
Condition
Buckled
Location
Te Flaps
Part time
8,170 hours
Stage of operation
AP
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

(CAN) UNCOMMANDED RETRACTION OF FLAPS FROM 20 DEG TO 10 DEG ON APPROACH, RESULTING IN A DROP OF 50 FT. FLAP MOTOR CIRCUIT BREAKER POPPED. INSP FOUND THAT THE FLAP TRANSMISSION SUPPORT BRACKET PN 2611144-1 HAD BUCKLED & TWISTED PULLING THE FLAP TRANSMISSION OUT OF POSITION. REFER TO ATTACHED CAB05-4 FOR MORE DETAILS. THIS CAB WAS ACCOMPLISHED ON THIS ACFT ON AUGUST 28, 2005 AT 6959.0 HOURS. SK208-158 REPAIR KIT IS BEING INSTALLED TO RECTIFIED THIS DAMAGE.

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