What was found
DURING AIRCRAFT C-CHECK AT AIRBORNE (TAMPA), MAINTENANCE REPORTED CORROSION COMMON TO MAIN DECK FLOOR CARGO TRACK P/N 368-53-16-94451-201AT STA 1600 AND LBL 11, THE ORIGINAL THICKNESS FOUND TO BE .071'', NO MATERIAL REMAINING CORROSION WENT ALL THE WAY THRU, THEREFORE FOUND OUT OF LIMITS IAW 767-200 IAI SUPPLEMENTAL SRM 53-00-52 ALLOWABLE DAMAGE. FLIGHT VEHICLES CONSULTING INC. WAS CONTACTED WITH REPAIR PROPOSAL, AND PERMANENT REPAIR INSTRUCTIONS WERE APPROVED.AIRCRAFT WAS REPAIRED AND RETURNED TO SERVICE.