What was found
DURING C CHECK INSPECTION, IT WAS NOTED THAT ON THE LOWER SURFACE ON FLOORBEAM FLANGES AT STATION 344 HAVE CORROSION THAT WAS FOUND TO BE OUT OF LIMITS IAW SRM 53-10-8 FIG 1. REPAIRED CORRODED UPPER CHORD OF FUSELAGE FLOORBEAM AT STATION 344 FROM LBL 60 TO RBL 10 BY SPLICING IN A REPAIR CHORD. THE FOLLOWING WORK DONE IAW B727 SRM CHAPTERS 51-10-2, 51-30-2, 51-30-5, AND 53-10-8 FIG 1, BOEING M/M 53-20-11. REMOVED FLOOR SEAT TRACKS AT LBL 28 AND LBL 48 TO GAIN ACCESS TO AFFECTED AREA. REMOVED DAMAGED UPPER CHORD OF STATION 344 FLOORBEAM FROM LBL 60 TO RBL 10 IAW SRM 51-30-2 AND 53-10-8 FIG 1.