What was found
CREW REPORTS THAT THE MASTER WARNING AND CAUTION LIGHTS INOP. TROUBLESHOT AND FOUND THE DIMMER CONTROL UNIT P/N 975.02.15.205 S/N 123049 TO BE DEFECTIVE. INSTALLED A REPAIRED UNIT S/N 120438.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CREW REPORTS THAT THE MASTER WARNING AND CAUTION LIGHTS INOP. TROUBLESHOT AND FOUND THE DIMMER CONTROL UNIT P/N 975.02.15.205 S/N 123049 TO BE DEFECTIVE. INSTALLED A REPAIRED UNIT S/N 120438.