What was found
DURING SCHEDULED C-4 CHECK PER JOB CARD HC5313, FOUND CABIN FLOORBEAM UPPER CAP WITH EXFOLIATION CORROSION AT FS257E, WL146, LBL20 TO LBL40. REPAIRED IAW SMP583 FIG 51-140-22.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING SCHEDULED C-4 CHECK PER JOB CARD HC5313, FOUND CABIN FLOORBEAM UPPER CAP WITH EXFOLIATION CORROSION AT FS257E, WL146, LBL20 TO LBL40. REPAIRED IAW SMP583 FIG 51-140-22.