As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAX - FLT 1070 - EN ROUTE LGB-DFW, SHORTLY AFTER TAKEOFF DETECTED SMOKE IN THE CABIN. AIR INTERRUPTED, DIVERTED LAX AND LANDED WITHOUT FURTHER INCIDENT. REPLACED APU ASSEMBLY. LEAKED CHECKED GOOD. ACCOMPLISHED PACK AND BURNOUT PER THE MM. NO SMELL OR SMOKE NOTED. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)