What was found
AT TOUCH DOWN A STRONG ODOR DETECTED IN COCKPIT AND GOT STRONGER WHEN APU BLEED AIR WAS PLACED IN HIGH. AT THE SAME TIME AURAL WARNING TONES 1 AND 2 CONTINUOUSLY SOUNDED AND DID NOT GO OUT UNTIL AVIONICS WAS TURNED OFF. TROUBLESHOT AND FOUND NR 1 AURAL ANNUNCIATOR ASSY FAILED. R & R AURAL ANNUNCIATOR. OPS CHECKED GOOD. INSPECTED COCKPIT FOR ELECTRICAL ODOR OR EVIDENCE OF BURNING. NONE FOUND. FOUND LANDING GEAR PCB NC002 BURNED ON LT SIDE OF THE COCKPIT. R & R THE PCB. OPS CHECKED LANDING GEAR SYS, OPS CHECKED GOOD. WORK ACCOMPLISHED IAW MM 24-53-00 AND MM 31-53-00.