As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ACCOMPLISHING BOEING RECOMMENDED REWORK TO AN AFT PRESSURE BULKHEAD REDIAL STIFFENER REPAIR INSTALLED PER ER/A 089941-14AD, SEVERAL ELONGATED AND OVERSIZED HOLES WERE FOUND IN THE WEB AND STIFFENER. DAMAGE ALSO OCCURRED TO THE PAN DURING REWORK. INSTALLED DOUBLER REPAIR PER ER/A 450872-14AD.