As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHILE INCORPORATING SB 737-53A1173 PRESSURE BULKHEAD REPLACEMENT STA 178, VERTICAL WEB STA 178 RBL 5.7 IDENTIFIED AS CRACKED 2 CM LONG FROM EDGE OF WEB THROUGH ADJACENT FASTENER HOLE AND THREE CRACKS THROUGH 3 ADJACENT FASTENER HOLES. REPAIRED.