As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG EXHAUST PETROLEUM ODOR COMING FROM BLEED AIR SYSTEM. STRONGER ON FLIGHT DECK. NO NOTICEABLE DIFFERENCE BETWEEN GATE AND CRUISE. R & R THE LT & RT COALESCER SOCKS ON AIR-CONDITIONING WATER SEPARATORS IAW SUP 14-192. OPS AIR-CONDITIONING SYSTEM. NO ODOR NOTED AT THIS TIME.