thats just it. This panel, infact, pretty much entire driver side, was replaced once befor by someone(befor i got the car). Befor i bought the car, I took the car to 3 different bodyshop to see if it was in any accident. No shop were able to tell me that car was in wreck. and they looked. they had car up in air, people clowring under the car, peeling back the carpet. thats how good the replacement job was. Only reason why i know, is because I had interior gutted once to run wires for the radio, and you can see around C-piller area where they strighten metal, and quality if spot weld is different from left side to right side. Driver side is little less uniformed then spot weld done by robot at the factory on passenger side.
and inside of driver side door was dead give away. Inside of door is red.
And I'm petriffid of rust(must be comming from owning few late 80's Toyota Sports cars... rust were like standard equipment for those cars
), and am stressing that to bodyshop. Anything that'll induce rust is no good with me