Service difficulty report · Valve · Lkheed 188A

Difficulty date
July 3, 2014
Submitted
March 12, 2015
Operation
General aviation
Make and model
Lkheed 188A
Aircraft time
45,583 hours
Engine
Allsn 501D13
Part
Valve
Part number
6821493
Condition
Malfunctioned
Location
Nr 4 Engine
Stage of operation
TO
How discovered
O
Nature of condition
R, J
Precautionary procedure
C

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

What was found

(CAN) ON TAKEOFF LOW HORSEPOWER, HIGH FUEL FLOW, AND HIGH T.I.T. WERE OBSERVED. TAKEOFF WAS ABORTED PRIOR TO BRAKE RELEASE. MAINTENANCE FOUND SPEED SENSE VALVE NOT CLOSING 5TH AND 10TH STAGES. VALVE REPLACED.