What was found
SMELL OF ELEC ODOR THROUGHT ACFT. TROUBLE SHOT IAW JC 26L00021001 CABIN AIR QUALITY. FOUND AUTOMATIC DIRECTION FINDER, ADF, RECEIVER 1 WOULD NOT BITE OR SELF-TEST & HAS BURNT SMELL. REPLACED ADF 1 RECEIVER IAW AMM 34-53-31-400-002A. GOOD BITE & OPERATIONAL CHECK.