As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON TAKEOFF, GEAR HANDLE INITIALLY WOULD NOT COME UP AND ASSOCIATED OVERHEAD ISOLATION VALVE ILLUMINATED. AFTER FLAP RETRACTION TOCWS SOUNDED FOR TWO MINUTES, THEN STOPPED AND GEAR CAME UP NORMAL.AIR SAFETY SENSOR REPLACED AND TESTED SERV. GROUND SPOILER INTERLOCK VALVE CABLE ADJUSTMENT TESTED SERV. GEAR SWINGS CARRIED OUT. AIRCRAFT GEAR OPERATED NORMALLY.