As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN DOOR UPPER LEFT DOOR INDICATOR IS NOT VISIBLE WHEN DOOR HANDLE IS IN THE LOCKED POSITION. *** CORRECTIVE ACTION*** REMOVED CABIN DOOR STEPS & PANELS AND CLEANED GREASE FROM DOOR LOCK INDICATORS. REINSTALLED CABIN DOOR STEPS AND PANELS. LIGHTS AND GREEN INDICATIONS ARE NORMAL AT THIS TIME. WORK IAW EP300 MM 52-10-00/200.