As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - DURING D-CHECK, THE FLOOR BEAM AT BS 727B WAS FOUND TO HAVE CORROSIO ON THE UPPER CHORD FORWARD AND AFT FLANGE BETWEEN RBL 15 TO RBL 55, CONCENTRATED AT A FASTENER HOLE ON THE UPPER SURFACE OF THE FLANGE. REPAIRED PER EA 5310-01406 AND BOEING TELEX ASA-SEA-96-0077RR. (M)