As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 837 EN-ROUTE, ALL CREW NOTICED STRONG ODOR ESPECIALLY IN COCKPIT & NEAR 2L DOOR. FLIGHT ATTENDANT DISABLED INFLIGHT ENTERTAINMENT & SMELL DISSIPATED. COMPLIED WITH JC 19L00021001. R & R RT CABIN RECIRCULATION FAN IAW AMM 21-25-01-404-094 & 21-25-01-004-092. OPERATIONS CHECKED GOOD, NO ODOR NOTED.