What was found
(AUS) FUEL BOOST PUMP FAULTY - INVESTIGATION FOUND ONE OF THE MOTOR BRUSHES WORN AWAY - A COUPLING SPLINE BETWEEN THE MOTOR AND THE PUMP WAS BADLY WORN - PUMP BLADE SUPPORT BLOCK BADLY WORN - COMMUTATOR DAMAGED DUE TO LOSS OF BRUSH
- Difficulty date
- March 18, 1997
- Submitted
- March 26, 2000
- Operation
- General aviation
- Make and model
- Piper PA31350
- Propeller
- Hartzl HCE3YR2
- System (JASC)
- 2822 · Fuel Boost Pump
- Part
- Pump
- Part number
- 421136
- Condition
- Failed
- Location
- Fuel Boost Pump
- Component
- Weldon · 421136
- Stage of operation
- DE
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.