As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OILY WATER LEAKING FROM RIGHT WATER SEPERATOR (FACING AFT), STRONG OILY ODOR IN CABIN AFTER APU START. REMOVED AND INSTALLED REPAIRED ACM IN FWD POSITION REMOVED AND CLEANED AND REINSTALLED LT COALESCER SOCK OPS AND LEAK CHECK SATISFACTORY IAW 750 MAINT MANUAL 21-51-00.