What was found
WITH APU ON AN OILY MUSTY ODOR IS PRESENT WITH THE CABIN AND COCKPIT PAC'S COOLING THE AC. REMOVED AND REPLACED AFT ACM IAW MM CHAPTER 21-51-00. OPERATIONAL AND LEAK CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WITH APU ON AN OILY MUSTY ODOR IS PRESENT WITH THE CABIN AND COCKPIT PAC'S COOLING THE AC. REMOVED AND REPLACED AFT ACM IAW MM CHAPTER 21-51-00. OPERATIONAL AND LEAK CHECK GOOD.