SDR AU960441

Service difficulty report · Bearing · Airtrc AT301

Difficulty date
February 28, 1996
Submitted
March 26, 2000
Operation
General aviation
Make and model
Airtrc AT301
Engine
Pwa R1340AN1
Propeller
Hamstd 23D40
Part
Bearing
Part number
70096
Condition
Broken
Location
Propeller Assy S
Stage of operation
IN
Nature of condition
O
Precautionary procedure
K

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

What was found

(AUS) PROPELLER BLADE THRUST ROLLER BEARING PNO 70096 BROKEN INTO FIVE PIECES - THE OTHER BEARING WAS CRACKED, CORRODED AND HAD PIECESMISSING FROM THE ROLLER - INVESTIGATION FOUND MOISTURE HAD CAUSEDTHE BEARING TO RUST WHICH LED TO THE EVENTUAL BEARING FAILURE -AIRCRAFT HAS A LOW UTILISATION RATE AND HAD BEEN ORIGINALLY FITTED TO AN OTTER SEAPLANE IN CANADA BEFORE BEING PURCHASED BYTHE PRESENT OWNER