Service difficulty report · Fuel Control · Cessna 208B

Difficulty date
November 30, 2015
Submitted
April 22, 2016
Operation
General aviation
Make and model
Cessna 208B
Engine
Pwa PT6A42
Part
Fuel Control
Condition
Malfunctioned
Location
Engine
Stage of operation
CR
How discovered
O
Nature of condition
R, J
Precautionary procedure
A

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

What was found

(CAN) IN JULY OF THIS YEAR (ENGINE TSN 909), A FCU MALFUNCTION WAS REPORTED BY THE OPERATOR. AN ACCESSORIES SHOP REPLACED THE FUEL CONTROL UNIT (FCU) BELLOWS, AND THE ENGINE WAS RETURNED TO SERVICE. IN OCTOBER, THE ENGINE IS REPORTED TO HAVE HAD A LOSS OF POWER FOLLOWING WHICH THE AIRCRAFT LANDED WITH 30% OF COMPRESSOR SPEED. THE FCU WAS AGAIN REPAIRED (NO REPORT ISSUED). THE OPERATOR REPORTED ANOTHER POWER LOSS EVENT ON A FLIGHT NOV. 30TH . THE PILOT ELECTED NOT TO USE THE EMERGENCY POWER LEVER. THE AIRCRAFT APPARENTLY LANDED UNEVENTFULLY. THE FCU WAS AGAIN SENT TO AEROSS WHERE NO PROBLEMS WERE FOUND. FUEL PUMP ALSO TESTED NO FAULT FOUND. TROUBLESHOOTING WILL START DEC. 4TH IN THE PRESENCE OF P&WC`S FIELD SERVICE REPRESENTATIVE.

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