As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#1193, BOS-MBJ. '(APU SYSTEM); PERFORMED THE STEPS IN TSM 49-00-00-200-811A. FOUND NO LEAKS FROM LOAD COMPRESSOR DRAIN LINE. NO VISIBLE OIL LEAKS NOTED. RAN APU AND BLEED FOR A TOTAL OF 3 HOURS AND NO ODORS PRESENT. MDDR CLEARED. PLACARD REMOVED. MX4 UPDATED. MCC NOTIFIED.