As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE GEAR UNSAFE LIGHT ILLUMINATED INTERMITTENTLY ACCOMPANIED WITH LEFT DOOR NOT LATCHED LIGHT AT FLIGHT ENGINEER'S PANEL. PERFORMED ABNORMAL CHECK, UNSAFE LIGHT WOULD NOT REMAIN ILLUMINATED LONG ENOUGHT TO DETERMINE WHICH SWITCH MAY BE MALFUNCTIONING. REPLACED DOOR CONTROL VALVE SPRING. INSPECTED UPLATCH AREA, NO DEFECTS FOUND. INDICATION SYSTEM OPS CHECKED GOOD IAW DC8 MM 32-30-00-2.