As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 600/1200 HOUR INSPECTION LEFT FORWARD ENGINE MOUNT HAD TWO CHAFE MARKS MEASURING .022 INCH AND .005 INCH DEEP. PROBABLE CAUSE: THE TWO UPPER ATTACH BOLTS FOR THE MOUNT FAIRING CHAFED THE MOUNT. RECOMMEND A FLUSH TYPE FASTERNER BE APPROVED TO ATTCH FIRE SEAL TO FAIRING.