As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBOUT FROM RDU, UPLATCH CHECK FAILED. BOTH RED UNSAFE LIGHTS ON (GEAR AND DOOR UNSAFE) WITH LEFT ALT DOOR. LIGHT ON ALSO. C/W QRH CHECKLIST, PLACED GEAR HANDLE TO UP AND ALL LIGHTS WENT OUT. RECHECKED UPLATCH, UPLATCH THEN CHECKED NORMAL WITH ALL LIGHTS REMAINED OUT. REMOVED AND REPLACED LT MLG DOOR IAW DC-8 M/M 32-12-1. OPS CHECKED DOOR IAW DC-8 M/M 32-12-1 & ACCOMPLISHED GEAR SWING IAW DC-8 M/M 32-10-1. CHECKED GOOD.