As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JUST AFTER TAKE OFF FLT ATTENDENTS REPORTS HEAVY SMOKE ODOR THROUGH OUT CABIN. CREW RETURNED TO PNS. FOUND APU INLET CONTAMINATED WITH HYD FLUID. AIRCRAFT MTC FERRIED TO ATL. ATL MTC COMPLIED WITH OPN 5089 DUCT BURNOUT AND CLEANED APU INLET. ATL MTC UNABLE TO FIND ANY HYD LEAKS.