As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE PURPOSE OF THIS EO IS TO DOCUMENT A REPAIR PERFORMED ON THE DATUM ACFT AT SIAE DURING A D-CHECK. SIAE REPORTED A CRACK IN THE BS 400 BULKHEAD LOWER WEB ASSY PRESSURE PAN. THE CRACKED WEB WAS TRIMMED AND REPAIRED BY INSTALLING A STACK-UP OF 2 DOUBLERS AND 2 FILLERS.