As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELECTRICAL SMELL IN COCKPIT SLIGHT SMELL EMANATING FROM NAV2 CONTROL HEAD. DFGC BACK LIGHTING INOP. FOLLOWED THE NO/GO ODI ATA 2172 PROCEDURES. FOUND CB L16 POPPED & UNABLE TO RESET. TROUBLESHOT AND FOUND B5-87 DFGC LIGHT CONTROLLER BEING THE SOURCE OF THE ELECTRICAL SMELL. CONTROLLER LOCATED NEAR FO'S RT KNEE. REPLACED B5-87 - REF WDM 33-13-08. DFGC BACK IGHTING OPS NORM. (LP5528512)