What was found
MAGNETIC MRO AS, PERFORMING MAINTENANCE UNDER CAYMAN ISLANDS APPROVAL RECEIVED PART 740-2040-503 WITH 8130-3 (TRACKING A239896) FROM FAA REPAIR STATION 3S7R970B (SET AERO). DURING INSPECTION IT WAS FOUND THAT INCORRECT PN WAS USED FOR MOUNT ASSEMBLING DURING WORKSHOP VISIT. USED BOLTS PN NAS6303U4 - ARE SHORTER, THAN CORRECT BOLTS PN NAS6303U5. USED WASHERS PN *UNKNOWN* - ARE THINNER, THAN CORRECT WASHERS PN VN936NP3.