As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION AT AFT PRESSURE BULKHEAD FS1053 BETWEEN LONGERONS 28L AND 29L. NRC 031-0022:5310-2014/003 00411: REPAIRED PER PRI 590913- 14 REV ORIG AND ER/A 590913-14 REV ORIG. ALL STEPS MATCH. ASSOCIATED ER/A 00-590913 ADDED FOR AC 9502. (LP #1782629)