What was found
MCN - DURING C16 CHECK DISCOVERED AFT CARGO BAY DOOR CUTOUT TORQUE BOX LOWER FRAME TO WEB ATTACH ANGLE CRACK, .3 INCHES IN LENGTH, AT BS 807 AND BL 22R. MAINTENANCE REMOVED CRACKED ANGLE AND INSTALLED NEW ATTACH ANGLE AT BS 807, BL 22R IAW BOEING 737-300 SRM 51-40-02-0G FIG 8.