As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
COCKPIT FILLED WITH SMOKE AT ABOUT 1000' AFTER DEPARTURE. STRONG BURNING SMELL IN COCKPIT AND BACK OF AIRCRAFT. AIRCRAFT GOT EXTREMELY HOT ESPECIALLY IN THE COCKPIT. TROUBLESHOOTING DONE IAW TSM 05-50-00-810-831-A ISOLATED CABIN ODOR AND SMOKE COMING FROM PACK 1. SEE L/P 251413702 FOR PACK DEFERRAL.