As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHORTLY AFTER TAKE OFF FLIGHT ATTENDANT REPORTED SMELL IN CABIN. WENT THROUGH QRH, TURNED OFF A/C RECIRCULATION FAN AND PULLED C/B. SMELL WENT AWAY QUICKLY. USING MCM CARD 21-96-01 FOUND LT ACM OUT OF OIL. REPLACED ACM IAW MCM CARD 21-94-01. AFTER REPLACING ACM, NO SMELL NOTED. THE AIRCRAFT WAS GROUNDED.