What was found
ON POSTFLIGHT, DISCOVERED THE LOWER RIGHT MAIN CABIN DOOR LOCK INDICATOR GREEN FLAG IS NO LONGER VISIBLE THROUGH THE LOCK VISOR. THERE IS A SILVER BLANKET/TAPE MATERIAL INSIDE THE DOOR THAT HAS BEEN BEGINNING TO PARTIALLY OBSTRUCT VIEW OF THE LOCK FLAG. IT IS NOW 100% OBSTRUCTED FROM VIEW. GAINED ACCESS TO DOOR LOCK INDICATORS AND REMOVED DEBRIS COVERING INDICATOR.. CLOSED ACCESS. OPS CHECK GOOD. WORK DONE REF EMB-5055 MM CHAPTER 52·14-00