As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RED UNSAFE LIGHT REMAINED ILLUMINATED AFTER GEAR RETRACTION. AFTER THE GEAR WAS EXTENDED THE UNSAFE LIGHT EXTINGUISHED AND THE 3 GREEN GEAR LOCKED LIGHT ILLUMINATED. NO OTHER LIGHTS OR WARNINGS CAME ON DURING GEAR OPERATION. CHECKED NOSE STRUT SERVICE. FOUND LOWER BARREL LOW IN PSI. R & R SHRADER VALVE. SERVICED LOWER BARREL TO SPECIFIED PSI. LEAK CHECK GOOD. CYCLED GEAR SEVERAL TIMES. OPS CHECK GOOD. WORKED IAW MM 32-20-00 AND CMM 32-20-01.