What was found
WHILE PERFORMING SB 670SH-53-042 AND REMOVING THE FS 693 FWD BULKHEAD BEAMS ONE FASTENER EACH WAS FOUND TO BE TRAPPED BEHIND THE LBL 27 AND RBL 27 BEAM/ BULKHEAD AND THE MACHINED CAP ANGLE. ENGINEERING REQUIRED. (FILED CLOSED) COMPLIED WITH ATTACHED MHIRJ REO 670-53-41-587 REV -- DATED 2021-12-13, SKYCARD 51-900-1002-SKY(CL600-2C10), AND FORM M-337. NO WEIGHT CHANGE NOTED