What was found
ON DROP IN CHECK, FWD CARGO COMPT, WING CENTER SECTION FWD BULKHEAD WEB CRACKED (APPROX 1 INCH) RBL 29 APPROX 14 INCHES ABOVE PRESS SPAL BETWEEN VERTICAL ROW OF FASTENERS. STOP DRILLED CRACK 2 PLACES IN FWD CARGO COMPL, WING CENTER SECTION FWD BULKHEAD WEB AT RBL 29 APPROX 14 INCHES ABOVE PRESS SEAL BETWEEN VERTICAL FASTENER ROWS. INSTALLED INTERIM REPAIR DOUBLER AS PER S/B 727-57-0101.