Service difficulty report · Metering Valve

Difficulty date
February 12, 2010
Submitted
March 1, 2010
Operation
General aviation
Engine
Pwa PW121
Part
Metering Valve
Condition
Failed
Location
Fuel Control
Stage of operation
TX
How discovered
O
Nature of condition
M, J
Precautionary procedure
D

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

What was found

(CAN) ENGINEERING INVESTIGATION REPORT EIR PW100 2010-010 ENGINE REACHED 1000 DEGREES CELSIUS DURING ENGINE START AND THE PROPELLER LOCKED UP. FINDINGS: CT BLADES HEAVILY BURNED AND ERODED & PT BLADES WERE MELTED AND DISTORTED. INVESTIGATION REVEALED THAT METERING VALVE OF FCU HAD FAILED IN THE FUEL CONTROL. (TC 20100215001)