As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) UPON QUALIFYING A FREEWHEELING UNIT, IT WAS DISCOVERED THAT THE WRONG RETAINING RINGS WERE USED IN (2) PLACES. SUSPECT RETAINING RINGS M27642/3-0152C WERE INSTALLED IN ASSEMBLIES INSTEAD OF M27426/3-0150C RETAINING RINGS. THIS OCCURRED DURING APRIL 07. (TC NR 20070823004)