As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-18 CHECK A .375 INCH CRACK WAS FOUND ON THE AFT CARGO DOOR UP LATCH HOOK CATCH SUPPORT ON CEILING AT BS 847. MAINTENANCE REMOVED AND REPLACED THE AFT CARGO DOOR UP LATCH HOOK CATCH SUPPORT IAW B737-300 SRM 51-40-02, FIG 8 &12, PG 1 & 45.