As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER DEPARTING ANC CREW NOTICED WITH GEAR UP AND IN LOCKED POSITION THE MAIN PNEUMATIC PRESSURE LEAKED EXCESSIVELY. CREW ELECTED TO RETURN TO ANC. NO EMERGENCY WAS DECLARED. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED LANDING GEAR SELECTOR VALVE. AIRCRAFT RETURNED TO SERVICE. (M)