What was found
(AIRCRAFT 6812, L/P 1339382) TOOL MARK ON PREVIOUS REPAIR ON FRAME STA 1280 STGR 10R. (FUS). CORRECTIVE ACTION: SUMMARY OF NRC 00308: PREVIOUS REPAIR DOUBLER ON FRAME STA 1280 STGR 10R AT PAX CABIN WAS REPLACED PER ER/A 519273-14 REV ORIGINAL; SECTION I. REPAIR APPROVAL IS LIMITED TO A THRESHOLD OF 29,100 TOTAL AIRFRAME FLIGHT CYCLES ONLY. ADDITIONAL ENGINEERING AUTHORIZATION (ER/A REVISION) IS REQUIRED FOR CONTINUED SERVICE OF THIS REPAIR AFTER 29,100 FLIGHT CYCLES.