As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE DESCENT INTO HRL, THE CREW SMELLED A STRONG ELECTRICAL ODOR WHICH LASTED ABOUT FIVE MINUTES. THE AIRPLANE WAS REMOVED FROM SERVICE (GROUNDED) AND THE MAIN EQUIPMENT CENTER, MAIN CARGO COMPARTMENT, FLIGHT DECK, AND GALLEY WERE INSPECTED. NO ABNORMALITIES WERE FOUND. THE CAUSE OF THE ODOR IS UNKNOWN.