As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE ODOR REPORTED AFT OF AIRCRAFT. CFR CALLED OUT. NO FIRE. NO REVENUE ON BOARD. CONTRACT MTX PIA EVALUATING. RAN PACKS WITH BOTH APU AND ENGINES, NO FAULTS FOUND. RAN GROUND AIR & NOTED SPARKS AND SMOKE COMING FROM END OF HOSE. VERIFIED FAULT IS WITH GROUND EQUIPMENT NOT THE A/C