As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER FWD LAVATORY SERVICE PANEL WAS REMOVED, CORROSION WAS FOUND ON EXTERNAL FUSELAGE SKIN AND INTERNAL DOUBLER. REPAIRED PER. ER/A 581923-14 REV. ORIGINAL; SECTION I AND ETI-57-19-117 REV.2 AND REPAIR APPROVAL IS LIMITED TO 57,500 TOTAL AIRCRAFT CYCLES ONLY. REQUIRED FOR CONTINUED SERVICE BEYOND THIS LIMIT. AND MUST BE MONITORED WITH LOG PAGE #1306000.