What was found
SFO - SMOKE DETECTION LIGHT ACTIVATED ON RAMP. NO SMOKE OR FIRE DETECTED. DETERMINED TO BE FALSE INDICATION. REPLACED SMOKE DETECTOR. SMOKE DETECTION SYSTEM OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SFO - SMOKE DETECTION LIGHT ACTIVATED ON RAMP. NO SMOKE OR FIRE DETECTED. DETERMINED TO BE FALSE INDICATION. REPLACED SMOKE DETECTOR. SMOKE DETECTION SYSTEM OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE.