As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOTICED OBNOXIOUS ODOR IN COCKPIT ON TAKEOFF ROLL. ODOR LASTED ABOUT 1 MINUTE, AND ON FINAL ABOUT 2 MINUTES. PRIOR TO LANDING SMELL STAYED THROUGH LANDING ROLL. FLT ATTENTDANT DID NOT NOTICE SMELL. APPEAR TO ORIGINATE IN LEFT SIDE OF COCKPIT. SMELL RESEMBLES BURNT RUBBER OR ROTTEN EGGS, DISSIPATED QUICKLY. CLEARED CLOGGED DRAINS AND STAGNANT WATER FROM FWD E/E COMPARTMENT.