As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON VISUAL INSPECTION OF ALL PARTS, FOUND 1 EACH INSERT PULLED OUT AND 2 EACH INSERTS LOOSE AT EXCITER BOX MATING SURFACE ON GEARBOX HOUSING. ONE EACH INSERT P/N NAS1394-3L PULLED OUT AND 2 EACH INSERTS LOOSE. POSSIBLY CAUSED BY EXCESSIVE CLEARANCE BETWEEN EXCITER BOX AND GEARBOX CAUSING BOX TO GET HUNG UP OR HIT ON ENGINE REMOVAL.