As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF STRONG ELEC BURNING SMELL FILLED COCKPIT & CABIN. UNEVENTFUL OVERWEIGHT LANDING & TOUCHDOWN WAS MADE. INSPECTED ACFT & DETERMINED SMELL WAS FROM COMPRESSOR WASH FLUID THAT HAD SOAKED THE WATER SEPARATOR COALESCER BAGS. R & R LT & RT ACM COALESCER BAGS.