What was found
RETURNED TO THE FIELD AT IAD DUE TO NUMEROUS WARNING LIGHTS ON. *S/D* DIMMING AND TEST MODULE INOPERATIVE. REPLACED THE DIMMING AND TEST MODULE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RETURNED TO THE FIELD AT IAD DUE TO NUMEROUS WARNING LIGHTS ON. *S/D* DIMMING AND TEST MODULE INOPERATIVE. REPLACED THE DIMMING AND TEST MODULE.