As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBING THRU 5000'. COCKPIT HAD DIRTY SOCK ODOR. ODOR STAYED UNTIL APPROX. FL200. FLIGHT ATTENDANTS DID NOT REPORT AN ODOR. DETERMINED NR 1 ENGINE TO BE SOURCE OF ODOR. NR 1 ENG BLEED DEFERRED ON LOG 8530464 AND BORO SCOPE/WASH ON LOG 8530465. L/P 8530458, ACFT WAS GROUNDED.