As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMB OUT STRONG BURNING ACRID SMELL IN COCKPIT & CABIN. FLIGHT ATTENDANT REPORTED PAX COMPLAINING OF A BURNING SMELL & PAX IN BACK OF ACFT WERE COMPLAINING OF ACRID CHOKING SMELL. VERIFIED WITH CREW, NO SMOKE VISIBLE. VERIFIED FIRST FLIGHT SINCE ENG COMPRESSOR WASHES PERFORMED. RAN ENGINES TO PURGE SOAP FUMES IAW AMM 72-00-00 P722 V. NO FURTHER FUMES DETECTED THROUGHOUT CABIN & COCKPIT.