As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PERIODIC INSPECTION, THE AFT LOWER ENGINE MOUNT WAS FOUND COVERED WITH RUST. MOUNT REMOVED FROM ENGINE, REPLACED MOUNT. RUST WAS CAUSED BY THE LOSS OF THE PROTECTIVE COATING. MOUNT CLEANED WITH MILD STODDARD SOLVENT WHICH REMOVED MAJORITY OF THE SURFACE RUST. REMAINING RUST IS MAX OF 0.003 INCH DEEP AROUND BUSHING AREA AT BOTH ENDS. REMOVED REMAINING RUST WITH LOW PRESSURE GLASS BEAD BLAST AND REAPPLIED PROTECTIVE COATING.