As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER T/O WHEN GEAR WAS SELECTED UP, THE L. DOOR AMBER LIGHT REMAINED ILLUMINATED. F.A. CONFIRMED THE LT GEAR DOOR DID NOT RETRACT. ACCOMPLISHED ALT LDG GEAR EXT PROCEDURE IAW THE E/A CHECKLIST WITH NO FURTHER COMPLICATIONS. FLIGHT CONTINUED WITH DOOR OPEN AND ACCOMPLISHED UNEVENTFUL LANDING. REMOVED FROM SERVICE. REPLACED THE LH MAIN GEAR SOLENOID SEQUENCE VALVE. ALL OPS CHECKS (GEAR SWINGS) AND LEAK CHECKS GOOD. RETURNED TO SERVICE.