Service difficulty report · Bushing

Difficulty date
April 20, 2000
Submitted
May 16, 2000
Operation
General aviation
Engine
Lyc O360A1G
Part
Bushing
Part number
10163048
Condition
Oversized
Location
Drive End
Component
Magneto · Bendix
Component part number
1068255515
Stage of operation
IN
How discovered
C
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

A MAGNETO NEWLY OVERHAULED, WOULD NOT SEAT ON THE ENGINE. FOUND THE BUSHING WHICH CAME INSTALLED ON THE MAGNETO WAS TOO LARGE IN DIAMETER TO CENTER THE BORE OF THE DRIVE GEAR. COMPARED TO ANOTHER BUSHING .827 INCH, IT WAS .829 INCH. THE LYC TABLE OF LIMITS SPECIFIES .0015 INCH - .0035 INCH LOOSE FIT. SUBMITTER STATED USE OF THESE BUSHINGS AND THE RESULTING IMPROPER FIT COULD RESULT IN MAGNETO MALFUNCTION. (X)