Service difficulty report · Bearing · Dhav DHC8102

Difficulty date
July 18, 1997
Submitted
March 26, 2000
Operation
Air carrier
Make and model
Dhav DHC8102
Engine
Pwa PW120A
Part
Bearing
Part number
5905844
Condition
Disintegrated
Location
Flap Drive Lt
Component
Sundstrandem · 735619C
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 INSPECTION OF THE LEFT HAND FLAP SECONDARY FLEX DRIVE COUPLING ASSEMBLY, THE OUTBOARD BEARING WAS FOUND TO HAVE DISINTEGRATED. IT HAD TRAVELLED ALONG THE SHAFT DRIVE COUPLING FOR ONE INCH SCORING THE SHAFT AND THE SLEEVE SPLIT HALVES TO A DEPTH OF APPROXIMATELY 0.010 TO 0.015 INCHES.