As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT HAS A PUNGENT ODOR THROUGH BOTH PATHS AND WAS EVIDENT THROUGHOUT GROUND OPS, APU, AND FLIGHT. ALL PASSENGERS COMPLAINED. MAINTENANCE FOUND FLEX LINE BETWEEN PYLON AND EDP FILTER MODULE IN TAIL COMPARTMENT LEAKING. REPLACED LINE PER M/N 29-01 AND LEAK CHECK WAS PERFORMED AND CHECK OK. CLEANED APU INLET WITH ALCOHOL AND PERFORMED DUCT BURN OUT. COALESCER BAGS WERE REPLACED PER OPN 5090.