What was found
INDICATION NOTED AT LBL 27.50, 621 REAR PRESS BULKHEAD WL 130 AT CARGO DOOR TRACK, APPROX 1.00 INCH LONG, 100% FULL SCREEN HEIGHT, FAILED NDT. CONTINUATION JC 8791315 OP 70 - REPAIRED 621 BULKHEAD AT LBL 27.50, WL 130 IAW REO:601R-53-61-5613 REV DATED 12 22 15 & REO 601R-53-61-1541 REV E DATED 11 12 14. THIS IS A MAJOR REPAIR, SEE JC 8791315 OP 48 FOR STEPS 1 - 6.