As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE C/W AD 960910C, IT WAS DISCOVERED AD 75-8-9R3 HAD NOT BEEN C/W. (REQUIRED REPLACEMENT OF DRIVE ASSY 75288 WITH DRIVE ASSY PN 61174) A CHECK OF AD 75-8-9R3 AND RELATED SB. ENG S/N WAS NOT LISTED. AD APPLICABLE TO S/N 33229-27A TO 41054-27A. NO RECORD OF ENG OVH OR ANY MAINT ON OIL PUMP GEARS. ENG TOTAL TIME 625.