What was found
AFT CARGO;SIDE PLATE ASSY LBL 21.80 ;BS 767 + 19 ; ELONGATED HOLE/POSSIBLE CRACK.<[01] FOUND OUT OF LIMITS CRACK AT AFT CARGO L/H Z-CHANNEL STA 767+19 PER SRM 53-00-53-1A-2<BR>REMOVED DAMAGED Z-CHANNEL SECTION LBL 21 FROM STA 727B+10 TO 787 PER SRM 51-40-02-0G-0<BR>LOCATED AND DRILLED NEW Z-CHANNEL SECTION FROM STA 727B+10 TO 787 PER SRM 51-40-05-0G-0 MATERIAL USED:BAC1496-377 7075 T62<BR>TREATED AND PRIMED NEW Z-CHANNEL SECTION PER AMM 51-21-41-370-803 AND AMM 51-21-72-370-804<BR>INSTALLED NEW LH Z-CHANNEL SECTION FROM STA 727B+10 TO 787 PER SRM 51-40-02-0G-0 AND DWG#146A7502;[02] VERIFIED STEP 1; Z CHANNEL REPLACED.