As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PILOT REPORTS UPON ENTERING THE AIRCRAFT THERE WAS AN ODOR THAT SEEMED TO BE AN AIR CONDITIONING ODOR. DURING CLIMB OUT, FLIGHT ATTENDANTS REPORTS HEAVY OROR IN THE CABIN AND IN THE FLIGHT DECK. MAINTENANCE FOUND APU INTAKE CONTAMINATED WITH OIL FROM A LEAKING APU OIL COOLER FAN ASSEMBLY. MAINTENANCE REMOVED AND REPLACED APU OIL COOLING FAN ASSEMBLY IAW AMM 49-52-51 AND COMPLIED WITH APU WASH IAW AMM 49-00-00-100-001-A. OPS CHECK GOOD. NO LEAKS FOUND. MAINTENANCE REMOVED AND REPLACED L/H AND R/H REHEATER AS PRECAUTIONARY.