As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 5258 - LEB-LGA - ON CLIMB-OUT AT 160 KNOTS, THE CREW NOTICED THE GEAR HANDLE ILLUMINATED. THE FIRST OFFICER SAW THE RT MAIN LANDING GEAR FULLY EXTENDED. THE CREW HEARD THE HYDRAULIC POWER PACK CYCLE AND THE GEAR RETRACTED. COMPLETED FLIGHT AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT AND REPLACED THE POWER PACK. OPS CHECK GOOD, AIRRAFT WAS RETURNED TO SERVICE. (M)