What was found
** WHILE AIRCRAFT WAS OUT OF SERVICE FOR HEAVY CHECK** CABIN FWD WET AREA FLOOR STRUCTURE FR 14-17, RBL 11 SEAT TRACK UPPER FLANGE CORRODED. R&R'D SEAT CRACKED PER SRM 51-41-01, 51-43-03 & 04 AIRCRAFT REMAINS OUT OF SERVICE FOR COMPLETION OF HEAVY CHECK.