As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT AFTER TAKEOFF, ODOR IN THE COCKPIT. CABIN CREW SMELLED IT ALSO. IT WAS NOT AN ELECTRICAL ODOR, OVENS WERE CLEARED AND VERIFIED TO HAVE NO ODOR. DECLARED AN EMERGENCY AND RETURNED WITHOUT INCIDENT. PERFORMED SMOKE/ODOR INSP PER TASK 05-51-26-801C1. FOUND PAPER DEBRIS IN LT RAM AIR INLET. REMOVED DEBRIS AND CLEANED RAM AIR INLET DUCT. OPS AND LEAK CHECK GOOD PER AMM 05-51-26-800-801C1.