As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER LIFT OFF NOSE GEAR FAILED TO RETRACT WITH RED NOSE LIGHT REMAINING ILLUMINATED. AFTER FOLLOWING CORRECTIVE PROCEDURES THE NOSE GEAR OPERATED CORRECTLY. FOUND NOSE STRUT FLAT AND VALVE LEAKING. REPLACED O-RING AND RESERVICED STRUT WITH OIL AND AIR. OPERATED NOSE GEAR PER AMM 32-30-00-720-801 AND WAS NORMAL.