As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FINAL APPROACH TO KTEB, BOTH THE POEWR BRAKE AND ANTI-SKID LIGHTS ILLUMINATED. DIVERTED TO KEWR, TO TAKE ADVANTAGE OF GREATER RUNWAY LENGTH. AFTER LANDING MAINTENANCE, FOUND THE O-RING SEALING THE HYDRAULIC FILTER IN THE POEWR BRAKE UNIT PROTRUDING CAUSING FLUID LOSS. (M)