As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AT THE TOP OF DESCENT, STRONG SMELL OF BURNING PLASTIC AT THE FRONT OF THE AIRCRAFT INITIALLY REPORTED BY FAS. I THEN SMELLED ITAS WELL. CREW WAS UNABLE TO IDENTIFY ORIGIN OR CAUSE BUT SCENT DISSIPATED WITHIN ABOUT 5 OR 6 MINUTES. MAINTENANCE ACCOMPLISHED SOF T/S IAW J/C 08L00021001. NO FINDINGS. A/C OK FOR SERVICE. MOC CONCURRED.