As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE: C, A REPAIR BUSHING IS INSTALLED ON THE KEEL BEAM INTERIOR BATH TUB FITTING AT LT FWD BOLT HOLE & THE WALL THICKNESS OF THE BUSHING IS ONLY 0.020 INCH. REPAIR BUSHING REPLACED AS PER RS R53-49-35025 AND ENG'R/FILE NR 747 -53-20139.