As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DEPARTURE, THE CREW WAS UNABLE TO RETRACT THE LANDING GEAR AFTER TAKEOFF. THE AIRCRAFT RETURNED SAFELY TO TETERBORO AIRPORT TO INVESTIGATE THE PROBLEM. THE AIRCRAFT WAS PUT INTO MAINTENANCE AND IT WAS FOUND THAT THE PRESSURE OF THE NOSE GEAR STRUT WAS TOO LOW. THE NOSE GEAR WAS SERVICED AND GEAR SWINGS WERE PERFORMED AND THE AIRCRAFT WAS RETURNED BACK TO SERVICE.