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 CORROSION WAS FOUND ON L-1 DOOR ENTRYWAY INNER CHORD UPPER CHANNEL BETWEEN BS 316 AND BS 341, LBL 62, WL 209. MAINTENANCE REMOVED CORRODED UPPER CHANNEL ON INNER CHORD FROM BS 316 TO BS 341 AT LBL 62; FABRICATED A NEW REPLACEMENT CHANNEL PER DWG 65-17688; INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02.