As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R2 DOOR THRESHOLD INNER CHORD CORRODED AT BS 967 RBL 50 REMOVED R-2 DOOR THRESHOLD CHORD. RECEIVED NEW CHORD P/N 65-4585 50103 PO 697353.1. LOCATED AND DRILLED NEW CHORD IAW BAC DWG 65-45855. INSTALLED NEW CHORD IAW B737-500 SRM 51-40-02. REMOVED AND RE-INSTALLED 2EA STIFFENERS AND DRAIN PAN IAW B737 -500 SRM 51-40-02.