Service difficulty report · Fcu · Cessna 208B

Difficulty date
May 7, 2009
Submitted
June 16, 2009
Operation
General aviation
Make and model
Cessna 208B
Aircraft time
6,233 hours
Engine
Pwa PT6A114A
Propeller
Mcauly 3GFR34C703
Part
Fcu
Part number
32448973
Condition
Failed
Location
Engine
Stage of operation
NR
How discovered
O
Nature of condition
R
Precautionary procedure
O

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

What was found

(CAN) DURING START FUEL FLOW CAME UP TO 120 PPH THEN BECAME ERRATIC FLUCTUATING BETWEEN 100 PPH AND 300 PPH THEN WENT TO 0 PPH. ENG SHUTDOWN NORMALLY. FCU INSTALLED AND DURING POST INSTALL GROUND RUNS THE ENGINE WAS HARD TO START AND WOULD FLAMEOUT. CHECKED AND ADJUSTED THE MIN FLOW FROM 35 TO 48 PERCENT NG. AND THE LOW IDLE ADJUSTED TO 53 PERCENT NG. GROUND RUN COMPLETED SATISFACTORY.

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