What was found
AS WE WERE BLOCKING IN, RECEIVED MOMENTARY CABIN SMOKE TWICE, THEN WENT AWAY. REMOVED & INSTALLED SERVICEABLE MISCELLANEOUS SYSTEMS CONTROLLER. OPERATIONAL CHECKED GOOD. PERFORMED LOWER CARGO SMOKE DETECTOR ADJUSTMENT TEST, ALL NORMAL. PERFORMED MAIN CARGO SMOKE DETECTOR ADJUSTMENT TEST, NO DEFECTS NOTED. PERFORMED A TEST OF THE MAIN & LOWER CARGO SMOKE DETECTORS, OPERATIONS CHECKED OK.