As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERMITTENT SMOKE WARNING OCCURRED 5 TIMES IN 5 MINUTES. CLEANED CANNON PLUGS ON BOTH SMOKE DETECTORS, PRESSURIZED A/C, AND TURNED ON HEAT. COULD NOT DUPLICATE PROBLEM ON GROUND. ELECTRICALLY DISABLED FORWARD SMOKE DETECTOR AS PRECAUTIONARY. SYSTEM MEL'D. SMOKE DETECTOR REMOVED AND REPLACED LATER IN LGA. A/C RETURNED TO SERVICE. ACTC: 2,877. (X)