What was found
DURING SCHEDULED D-CHECK, FOUND KEEL BEAM CORRODED AT BS 727, AT S27 LT AND RT. REPLACED PER BOEING SRM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING SCHEDULED D-CHECK, FOUND KEEL BEAM CORRODED AT BS 727, AT S27 LT AND RT. REPLACED PER BOEING SRM.