Service difficulty report · Actuator · Cessna 208B

Difficulty date
June 19, 2013
Submitted
September 14, 2015
Operation
General aviation
Make and model
Cessna 208B
Aircraft time
7,404 hours
Engine
Pwa PT6A114
Propeller
Hartzl HCB3TN3
Part
Actuator
Part number
D14500463
Condition
Failed
Location
Te Flaps
Part time
7,030 hours
Stage of operation
IN
How discovered
9
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

(CAN) DURING A PREFLIGHT WALK AROUND, IT WAS FOUND THAT THE FLAP SYS WAS MAKING A GRINDING NOISE WHEN THE FLAPS WHERE SELECTED UP. MAINTENANCE DISCOVERED THAT THE FLAP SYS ACTUATOR HAD FAILED DUE TO HIGH CYCLES. THERE IS NO AIRWORTHINESS LIMITATIONS TO REPLACE THE ACTUATOR FROM THE MFG BUT THE COMPANY HAS CHANGED THEIR TRACKING SYSTEM TO REPLACE THE ACTUATOR ASSEMBLY EVERY 8000 CYCLES.

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