As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - DURING C18 CHECK DISCOVERED FORWARD CARGO COMPARTMENT DOOR FRAME CRACKED, 1.5 INCHES IN LENGTH, AT THE UPLOCK AT BS 445 AND STR 24R. MAINTENANCE REMOVED THE CRACKED FRAME IAW BOEING 737-300 SRM 51-40-02-0G FIG 8 AND FIG 11. INSTALLED NEW FRAME ASSEMBLY AT BS 445 AND STR 24R IAW BOEING 737-300 SRM 51-40-02-0G FIGURES 3, 9 AND 12.