Service difficulty report · Bearing · Dhav DHC6300

Difficulty date
December 18, 1997
Submitted
March 26, 2000
Operation
Air carrier
Make and model
Dhav DHC6300
Engine
Pwa PT6A27
Part
Bearing
Part number
9204SSX10
Condition
Wrong Part
Location
Start/Gen
Component
Lucas · 23048004
Stage of operation
IN
How discovered
V
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) INSPECTION FOUND THAT THE BEARINGS WERE UNAPPROVED FOR THIS INSTALLATION. THE BEARING FOUND WAS MANUFACTURED BY BARDEN. ONLY LUCAS BEARINGS P/N 03-6010-18 SHOULD BE USED. THERE WAS ALSO A BRASS SHIM BETWEEN THE DRIVE SHAFT AND THE DAMPER HUB ALLOWING THE HUB TO SIT LOWER DOWN ON THE SHAFT. THIS IS ALSO AN UNAPPROVED PRACTICE. IN ADDITION, THE FRONT END BELL LINER WAS NOT REPAIRED PER APPROVED SPECS.