What was found
SUPPLEMENTAL INFORMATION: SUPPLEMENTAL INFORMATION----------------STRANGE BURNING SMELL IN COCKPIT. REINSPECT OF PLASTIC BURNING NO SMELL IN CABIN. SEEMS TO DISSAPATE WHEN RECIRC FAM TURNED OFF / PERFORMED CONDITIONAL INSP. IAW AMM 05-51-56.SEE LOG PAGE 1569569 FOR COMPONENENT THAT WAS THE SOURCE OF PLASTIC BURNING SMELL: R+R'D HUD CONTROL PANEL IAW SMM 34-23-03 AIRCRAFT RECERTIFIED TO CAT III PER MT 734-00-03 VERIFICATION #21672 RAR 90688 P/N 1500-0500-002 S/N OFF 52574 S/N ON 10633