Service difficulty report · Bearing · Piper PA31350

Difficulty date
January 18, 2007
Submitted
May 1, 2007
Operation
General aviation
Make and model
Piper PA31350
Aircraft time
13,416 hours
Engine
Lyc TIO540J2BD
Propeller
Hartzl HCE3YR2A
Part
Bearing
Condition
Failed
Location
Turbocharger
Part time
13,433 hours
Component
Turbocharger
Component part number
LW12463T
Stage of operation
IN
How discovered
V
Nature of condition
K
Precautionary procedure
K

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

What was found

(CAN) RT ENGINE OIL CONSUMPTION HAD INCREASED, OIL RESIDUE FOUND ON EXHAUST STACK. INSPECTION FOUND THAT THE EXHAUST SIDE OF THE RT TURBOCHARGER WAS COVER IN OIL. FOUND THAT THE INNNER SUPPORT BEARING AND SEAL HAD FAILED ALLOWING OIL TO BE INTRODUCED TO THE HOT SIDE OF THE TURBO. REPLACED TURBOCHARGER, CHANGED ENGINE OIL, INSPECTED RT ENGINE OIL FILTER FOR METAL, NO FAULT FOUND. (TC NR 20070120001)

More about the Piper PA-31-350