As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED AFTER DEPARTURE FROM BHM CLIMBING THRU 5000 FT DOOR LIGHT WARNING CAME ON , LEVELED OFF AT 5000 FT REDUCED POWER LIGHT WENT OUT, RETURN TO DEPARTURE AIRPORT. MAINTENANCE CLEANED DOOR LIGHT SWITCH AND OPS CHECK GOOD. AIRCRAFT RETURN TO SERVICE.