As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HOT PLASTIC ODOR IN COCKPIT WHENEVER NR 1 SUPPLY DUCT TEMP APPROACHES 100 DEGREES. REPEAT WRITE-UP PERFORMED GVI OF RAM AIR DOOR INLET AND EXHAUST AREAS; NO DEFECTS NOTED. R & R FLIGHT COMPARTMENT TRIM AIR VALVE REF AMM 21-61-12-4. RAN ENGINES IAW JRH. VERIFIED FLIGHT COMPARTMENT TRIM AIR VALVE OPERATION REF AMM 21-00-01-5. NO FOUL ODORS WERE NOTED DURING OPERATION OF PACKS. RAN TO FULL HOT AND FULL COLD. NO OTHER DISCREPANCIES NOTED. OK FOR SERVICE