What was found
EVIDENCE OF CORROSION ON LOWER MAIN SILL, STR 25P, BETWEEN X 1.0 AND X 32.4 MCD LOWER SURROUND, PN 85329349-101. EVALUATED CORROSION AND FOUND NO DAMAGE ALLOWED IAW TASK CARD 6-53-1160-FWD PAX DOOR. PERFORM REPAIR REF SRM 53-20-17, REPAIR -02. REMOVED DAMAGED SECTION OF STRINGER REF SRM 53-20-17. CW ET INSP REF NDTM 51-00-06. FABRICATED EXTERNAL REPAIR DOUBLERS IAW SRM 53-20-17, REPAIR -02, PROCEDURE 7F AND FIG 201, SHEET 3 & 4. APPLIED ALODINE AND EPOXY PRIMER TO REPAIR DOUBLERS IAW SRM 53-20-17, REPAIR -02, STEP 7G. REPAIRED THE EXISTING FASTENER COUNTERSINKS REMAINING UNDERNEATH EXTERNAL REPAIR DOUBLERS IAW SRM 53-20-17, REPAIR -02, STEP 7I. FABRICATED AND INSTALLED NEW LOWER MAIN SILL SECTION, MADE FROM PN 85329349-101, REF SRM 53-20-17, REPAIR -02, STEP 7E AND DWG 85329330, RELEASE P, REV A. INSTALLED 4-OFF EXTERNAL REPAIR DOUBLERS IAW SRM 53-20-17, REPAIR -02, STEP 7H, J, M, N AND O.