What was found
STARTED THE APU ON THE GROUND UPON OPENING THE BLEED AIR VALVE THE AIRCRAFT FILLED W/SMOKE. DEFERRED IAW NJA HAWKER 800XP MEL 49-00-1 RAN BOTH ENGINES WITH AIR VALVES OPEN NO SMOKE OR ODOR NOTICED. ITEM IS UNDER INVESTIGATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
STARTED THE APU ON THE GROUND UPON OPENING THE BLEED AIR VALVE THE AIRCRAFT FILLED W/SMOKE. DEFERRED IAW NJA HAWKER 800XP MEL 49-00-1 RAN BOTH ENGINES WITH AIR VALVES OPEN NO SMOKE OR ODOR NOTICED. ITEM IS UNDER INVESTIGATION.