As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - DURING C-19 CHECK A .25 INCH CRACK WAS FOUND ON L-1 DOOR INNER WEB SKIN ON AFT SIDE, AT 5TH DOOR STOP FROM TOP BS 344, STR 13 LT. MAINTENANCE CUT OUT DAMAGED L-1 DOOR INNER WEB SKIN AT 5TH DOOR STOP FROM TOP BS 344, STR 13 LT; FABRICATED A REPAIR DOUBLER; INSTALLED REPAIR PART IAW B737-300 SRM 51-70-13.