As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - FLT 2437 - EN ROUTE DFW-LAX, SHORTLY AFTER TAKEOFF DETECTED LIGHT SMOKE AND FUMES AT COCKPIT. RETURNED DFW AND LANDED WITHOUT FURTHER INCIDENT. REPLACED OIL FILL SCUPPER ASSEMBLY AT APU. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)