What was found
BS 409 FRAME SECTOR TO FUSELAGE SKIN ATTACH CAP ANGLE, HAS CORROSION AROUND FASTENER ON FWD SIDE BL 27. REMOVED CORROSION FROM FS 409.0 FRAME SECTIONS IAW SRM 51-12-00. FOUND TO BE OUT OF LIMITS IAW SRM 53-00-00, TR 53-27. ENGINEERING DISPOSITON REQUIRED. UPON FURTHER INVESTIGATION, FOUND FS 409.00 FRAME SECTOR TO BE WITHIN LIMITS IAW SRM 53-0-00, TR 53-27, FIG 102, SHEET 1 & 2.