As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - C - DURING C-17 CHECK CORROSION WAS FOUND ON FLOORBEAM UPPER FLANGE AT BS 986, RBL 3 TO LBL 18. REMOVED DAMAGED AREA OF FLOORBEAM UPPER T-CHORD AT BS 986, RBL 3 TO LBL 50. FABRICATED 2 SPLICE STRAPS AND REPAIR ANGLES AND NEW UPPER T-CHORD AND INSTALLED REPAIRS IAW AWA ER 03-5310-02011-ES4.