Service difficulty report · Bearing · Piper PA31350

Difficulty date
September 10, 1999
Submitted
March 26, 2000
Operation
Air carrier
Make and model
Piper PA31350
Engine
Lyc TIO540J2BD
Propeller
Hartzl HCE3YR2A
Part
Bearing
Part number
2570400
Condition
Worn
Location
Mlg Door
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

(CAN) DURING REMOVAL OF INBOARD GEAR DOOR FOR REPLACEMENT OF ONE HINGE BEARING FOR WEAR, THE SECOND BEARING WAS FOUND TO HAVE THE INNER RACE CRACKED CIRCUMFERENTALLY AT THE RACE'S SMALLEST DIAMETER. UN-NOTICEABLE WHEN THE HINGE BOLT IS INSTALLED.

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