As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - DURING C-CHECK, FOUND CORROSION ON THE KEEL BEAM LOWER CHORD AT RBL 6.3 ON THE LOWER SURFACE OF THE LOWER CHORD OUTBOARD LEG IN THE AREA OF THE EXISTING ATTACH HOLE AT STATION 692. REPAIRED PER EA 5310-01557 AND BOEING TELEX ASA-SEA-97-0437. (M)