What was found
AFT PIT DOOR THRESHOLD WEB IS CORRODED. GROUNDED - YES. REMOVED DAMAGE FROM AFT PIT THRESHOLD WEB IAW ASA B737-800 SRM 53-60-15-1A-1 ORIGINAL MATL THKS .050 PER ASA B737-800 SRM 53-60-15-OI-1 TABLE ITEM 2 REMOVED .009 MATL .041 REMAINING MATL FOUND TO BE OUT OF LIMITS IAW ASA B737-800 SRM 53-60-15-1A-1 FIG D REMOVED THRESHOLD WEB IAW B737-800 SRM 51-40-02. RECEIVED NEW WEB P/N 146A8123425 PO# 1092155.2 LOCATED, DRILLED AND INSTALLED NUT PLATES IAW B737-800 SRM 51-40-05 AND SRM 51-40-02 INSTALLED THRESHOLD WEB IAW BAC DWG 146A83040 REV- AND B737-800 51-40-02.