What was found
INSPECTION TYPE:C, ON REMOVAL OF ACCORDION SEAL, CORROSION FOUND ON UPPER BEAM OF MAIN CARGO DOOR. CORROSION REMOVED FROM UPPER BEAM, LIMITS CHECKED AND FOUND OUTSIDE REF SRM 51-10-6. BEAM REPLACED IAW SRM 51-30-2, WITH REF TO BOEING DWG NR 65-25337. ALL AREA RE-PROTECTED AND SEALED REF SRM 51-10-2.