As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY CHECK MAINTENANCE FOUND CORROSION ON LH MONUMENT MOUNT IN FWD WET AREA FR 16 DIRECTLY INBD OF LEFT SILL. REMOVED DAMAGED LH MONUMENT MOUNT IN FWD WET AREA FR 16 DIRECTLY INBD OF LEFT SILL AND INSTALLED A NEW ONE IN REF. TO SRM 51-40-08.TOP COATED AREA REF SRM 51-23-06. A/C REMAINS IN CHECK.