What was found
SKIN BULGED AROUND RIVETS LWR AFT CORNER OF LAV SERVICE PANEL. REMOVED LOCK FASTENERS ON LOWER AFT AND FWD OF LAV SERVICE PANEL IAW SRM 51-40-02. REMOVED LAV SERVICE PANEL IAW SRM 51-40-02. REMOVED CORROSION ON LOWER AFT CORNER OF LAV SERVICE DOOR CUTOUT ON ACFT SKIN IAW SRM 51-10-02. FOUND TO BE OUT OF LIMITS IAW SRM 53-00-01-1A-5. LAV SERVICE PANEL CORRODED, REQUIRES RELACEMENT. REMAINING THICKNESS PERFORMED BY UT REF. AVO # 719-25-09-26-01 STEP 4D VERIFIED, PERFORMED BY UT IAW AVO 719-25-09-26-01, STEP 4D. REMOVED ALL EXISTING FASTENERS IN REPAIR AREA, CLEANED & PREPPED HOLES FOR INSPECTION. PER AVO: 719-25-09-26-01 STEPS A.(2-3). ACCOMPLISH AN HFEC SURFACE INSPECTION OF THE BLENDED AREA IAW NDT MANUAL PART 6, 51-00-00, PROCEDURE 23 TO ENSURE NO CRACKS EXIST IAW AVO 719-25-09-26-01. STEP A(6). MAJOR REPAIR.