What was found
DURING SCHEDULED 1/4D CHECK, FOUND FUSELAGE KEELBEAM CORRODED AT BS 520, RBL 7. REPAIRED KEEL BEAM PER SRM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING SCHEDULED 1/4D CHECK, FOUND FUSELAGE KEELBEAM CORRODED AT BS 520, RBL 7. REPAIRED KEEL BEAM PER SRM.