What was found
PDX - SMOKE DETECTOR LIGHT ILLUMINATED ON TAXI OUT. AIRCRAFT RETURNED TO GATE. NO EVIDENCE OF SMOKE OR FIRE NOTED. MAINTENANCE CLEANED SMOKE DETECTOR. SMOKE DETECTION SYSTEM OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX - SMOKE DETECTOR LIGHT ILLUMINATED ON TAXI OUT. AIRCRAFT RETURNED TO GATE. NO EVIDENCE OF SMOKE OR FIRE NOTED. MAINTENANCE CLEANED SMOKE DETECTOR. SMOKE DETECTION SYSTEM OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE. (M)