What was found
DURING HEAVY MAINTENANCE, CORROSION WAS FOUND IN 2 AREAS OF AFT CARGO BEAM, UNDER FORWARD AND AFT DEPRESSORS, FRAME 77, STRINGER 26R. R & R AFT CARGO DOOR LOWER BEAM, REF SRM 51-41-01, 51-41-02, 51-41-03, AND 51-41-04. THIS ITEM HAS BEEN CLASSIFIED AS A LEVEL 2 CORROSION.