What was found
LH OVER WING FLOOR SILL IS CORRODED AT THE FOLLOWING LOCATIONS: FS429, 441, 447, 452, 459, 478, 494, 507, 519, 522, 531, 536, 542, AND FS555 (C-CHECK RO 4/2/2021) COMPLIED WITH REO 601R-53-41-666 REV-C DATED 2012-11-06 FOR ALL AREAS. FORM 337 AND MAJOR REPAIR TASK CARD 51-900-1003-SKY COMPLETED AND ATTACHED. NO WEIGHT CHANGE. SEE CONTINUATION CARD FOR DETAILS OF WORK PERFORMED