What was found
POST FLIGHT INSPECTION, FOUND LOWER RIGHT CORNER OF R4 DOOR SKIN MISSING APPROX 1 SQ FT. ACCOMPLISHED UNPRESSURIZED MAINTENANCE FERRY TO LUX FOR REPAIR. REMOVE R4 DOOR, INSPECTED DOOR FRAME AND NO DEFECTS NOTED. REPLACED R4 WITH SERVICEABLE UNIT, RIGGED AND OPS CHECKED PER MM CH 52-11-01.