What was found
DURING HEAVY MAINTENANCE, DURING THE AGING AIRCRAFT REPAIR INSPECTION DATED 08/19 PER REF.(1), AN EXISTING REPAIR DOUBLER WAS FOUND INSTALLED ON THE LOWER FUSELAGE SKIN AT FR 25, BETWEEN STRINGERS 42L & 43L. A RECORD SEARCH FOUND NO DOCUMENTATION OF THIS PAST REPAIR. INITIAL INSPECTION FOUND THE REPAIR MATCHED SRM 53-00-11-300-029 FIG 001, SHEET 1, BUT FURTHER INSPECTION FOUND THE REPAIR DAMAGED. CONTACTED FOR REPAIR DISPOSITION, AND PROVIDED THE REF.(3) RDAS APPROVING RE-ACCOMPLISHMENT OF THE REPAIR USING SRM 53-00-11-300-029 FIG 001, SHEET 1, AND REQUIRES A TBD FOLLOW-UP INSPECTION WITHIN 48,000 FC. ISSUED THE REF.(2) EA INSTRUCTING REPAIR DETAILS, AND THIS EC INCORPORATES THE REF.(2) EA WITHOUT DEVIATION. EC A19-633-02 IS ISSUED TO TRACK THE REQUIRED FOLLOW-UP INSPECTION THRESHOLD; REMOVAL AND RE-ACCOMPLISHMENT OF THE REPAIR HAS BEEN APPROVED BY THE REF.(3) RDAS. THIS REPAIR IS CLASSIFIED AS A MAJOR CATEGORY 'B" PERMANENT REPAIR.