What was found
WHILE IN 'D' CHECK, MAINTENANCE FOUND CORROSION ON UPPER VERTICAL FLANGE OF THE WING TO BODY RIB UPPER CHORDS AT BS 760, RBL 70.5, AND LBL 70.5. INSTALLED REPAIR PER UPS EO B727-5710-1271F.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE IN 'D' CHECK, MAINTENANCE FOUND CORROSION ON UPPER VERTICAL FLANGE OF THE WING TO BODY RIB UPPER CHORDS AT BS 760, RBL 70.5, AND LBL 70.5. INSTALLED REPAIR PER UPS EO B727-5710-1271F.