What was found
DURING SCHEDULED C4 CHECK, FOUND KEEL BEAM CORRODED AT BS 533, RBL 6.50. REPAIRED KEEL BEAM PER SWA EA.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING SCHEDULED C4 CHECK, FOUND KEEL BEAM CORRODED AT BS 533, RBL 6.50. REPAIRED KEEL BEAM PER SWA EA.