As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH, THE CREW OBSERVED LOW FLOW INDICATION ON BOTH SYSTEMS AND 1700 PSI. LANDING WAS CARRIED OUT WITHOUT INCIDENT. MAINTENANCE FOUND THE SUPPLY LINE FROM THE HP FILTER TO THE GEARBOX DRIP TRAY IN THE RIGHT HAND NACELLE CHAFED THROUGH. THE LINE WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE.