What was found
CABIN FLOOR STRUCTURE AT BS 420 SEAT TRACK HAS CORROSION BOTTOM SIDE OF FLANGE, RBL 44. REPLACED SEAT TRACK FROM BS 340 TO 480, RBL 45 IAW B727 SRM 53-10-5 FIG 1.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CABIN FLOOR STRUCTURE AT BS 420 SEAT TRACK HAS CORROSION BOTTOM SIDE OF FLANGE, RBL 44. REPLACED SEAT TRACK FROM BS 340 TO 480, RBL 45 IAW B727 SRM 53-10-5 FIG 1.