As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PILOT REPORTS FUMES IN AFT A/C. ALL F/S SMELLED BURNING PLASTIC. NO PASSENGERS COMPLAINED. NO SMELL IN FLIGHT DECK. DIVERTED TO MFE. MAINTENANCE PERFORMED SMOKE JOB CARD 05-96-70. REMOVED AND REPLACED LEFT ACM IAW AMM 21-51-04. OPS CHECKED GOOD, LEAK CHECK GOOD.