As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE INBOARD LEFT HAND AND RIGHT HAND VERTICAL POSTS ON THE PRESSURE BULKHEAD AT FS 409 AND 128 REQUIRES REMOVAL TO ALLOW FOR THE REMOVAL OF 2 RIVETS GOING THROUGH THE FUSELAGE. THE RIVETS REQUIRE REMOVAL TO ACCOMPLISH CANADAIR S/B 601R-53-050. PERFORMED A MAJOR REAPIR BY REMOVING AND REINSTALLING INBOARD LEFT HAND AND RIGHT HAND VERTICAL POSTS ON PRESSURE BULKHEAD AT FS 409 AND 126 I/A/W WVAC EO 601R-53-1343A.