What was found
AFT CARGO BAY FRAME 63 LT, AT ROLLER TRACK NR 2 PROFILE HAS 2 AREAS OF 4 SQ INCHES OF CORROSION AT LWR OTBD SIDE WITH 4" CORRODED FASTENERS INBD AND OTBD. REPAIRED FLOORBEAM AT FR 63 BETWEEN STR 49L AND 53L IAW SRM 53-10-15, FIG 208, SHT 1.