Service difficulty report · Pump · Piper PA31

Difficulty date
May 11, 2010
Submitted
January 4, 2011
Operation
Air carrier
Make and model
Piper PA31
Aircraft time
11,851 hours
Engine
Lyc TIO540A2C
Propeller
Hartzl HCE3YR2A
Part
Pump
Part number
421136
Condition
Malfunctioned
Location
Fuel Boost
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

THE PUMP ASSY WOULD NOT ALWAYS START WHEN THE SWITCH SELECTED TO ON. IF THE MOTOR WAS TAPPED WITH A SCREW DRIVER THE PUMP WOULD FUNCTION. FUEL BOOST PUMP REPLACED.

More about the Piper PA-31