As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, THE PARKING BRAKE LIGHT ILLUMINATED AND REMAINED ILLUMINATED. EMERGENCY DECLARED. LANDING UNEVENTFUL. AIRCRAFT WAS GROUNDED. MAINTENANCE FOUND PARKING BRAKE WIRING CONNECTIONS CONTAMINATED. CLEANED CONNECTORS AND ACCOMPLISHED OPERATIONAL CHECK IAW 32-44-03. SYSTEM CHECKS NORMAL.