As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF, AFTER GEAR RETRACTION, LT GEAR RED LIGHT REMAINED ILLUMINATED. ONE OF THE MECHANICS SAW OUR LT GEAR HANGING AFTER TAKEOFF. GEAR EXTENDED NORMALLY. ALL GEAR PINS WERE VERIFIED REMOVED BY THE MECHANICS BEFORE DEPLANED. REMOVED SEQUENCE VALVE AND INSTALLED OVERHAULED/MODIFIED SEQUENCE VALVE P/N AIR48540-1 S/N LK9202752. CYCLED LANDING GEAR 7 TIMES. LANDING GEAR FUNCTION CHECKS GOOD ALL WORK DONE IAW MM 32-30-41