As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ACCOMPLISHMENT OF CMM 310A2020 ON THE ENGINE MOUNT ASSY PIN HAD TO BE GROUND TO 0.862 INCH 0.0025 INCH BELOW MINIMUM IN-PROCESS OF 0.8645 INCH IN ORDER TO REMOVE PREVIOUS PLATING AND TWO ADDITIONAL PAWL PINS HAD TO BE GROUND TO 1.235 INCHES, 0.003 INCH BELOW THE MINIMUM IN PROCESS OF 1.2380 INCHES IN ORDER TO REMOVE PREVIOUS PLATING. MAINTENANCE REPAIRED THE DAMAGE IAW ERA 563666-14.