What was found
CORROSION ON LOWER INTERCOSTAL AT AFT LAVATORY SERVICE PANEL, BETWEEN BS 1322 TO 1338, LONGERONS 21 - 22L. THE INTERCOSTAL WAS REPLACED IAW SRM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CORROSION ON LOWER INTERCOSTAL AT AFT LAVATORY SERVICE PANEL, BETWEEN BS 1322 TO 1338, LONGERONS 21 - 22L. THE INTERCOSTAL WAS REPLACED IAW SRM.