What was found
DURING C CHECK INSPECTION FOUND LEFT HAND FLOOR SILL CORRODED @ AFT SCREW HOLE FRAME 59. MAINTNENACE REPLACED LEFT FLOOR SILL @FRAME 53-59,
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING C CHECK INSPECTION FOUND LEFT HAND FLOOR SILL CORRODED @ AFT SCREW HOLE FRAME 59. MAINTNENACE REPLACED LEFT FLOOR SILL @FRAME 53-59,