What was found
RH WING, INBD. MAIN FLAP, LOWER MID #2 ACCESS PANEL HAS CORROSION IN ONE CORNER, REPLACEMENT IS REQUIRED. RH WING, INBD. MAIN FLAP, LOWER MID #2 ACCESS PANEL HAS BEEN REPLACED WITH 'MADE' REPAIR PART IN REFERENCE WITH DRAWING 170-39117-001 AND CARS 571. PANEL INSTALLED IAW AMM 20-10-01-910-801-A.