As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#1318, JFK-BOS. "ON TAKEOFF ROLL AND CLIMB OUT HAD A STRONG DIRTY SOCK SMELL IN THE FLIGHT DECK RAN ISOLATION CHECK LIST SMELL / ODOR DISSIPATED CLIMBING THRU FL 250; ACCOMPLISHED FIM TASK BD500-A-J21-22-00-00AAA-423A-A A EXT VISUAL WALK AROUND AND OPS CHK OF BLEED SYS OK NO ODOR IN CABIN OR FLT DECK AC OK FOR SVC"