What was found
DURING SCHEDULED 1/4D CHECK, FOUND KEEL BEAM CORRODED ON RT LOWER CHORD. REMOVED AND REPLACED KEEL BEAM RT LOWER CHORD FROM BS 500D TO 727 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 KEEL BEAM CORRODED ON RT LOWER CHORD. REMOVED AND REPLACED KEEL BEAM RT LOWER CHORD FROM BS 500D TO 727 PER SRM.