What was found
ELECTRICAL BURNING SMELL/ODOR REQUIRES FTS. / PERFORMED T/S IAW CRJ700 FIM 21-21-00-810-806-A01 / FIM 21-22-00-810-806-A01 TRIED TO DUPLICATE FAULT AND IDENTIFY THE SOURCE OF THE SMELL BY CHECKING THE CABIN THROUGHLY WITH APU RUNNING, LH/RH ENGINE RUNNING ON IDLE, PACK ON/OFF, MAX CABIN TEMP, RECIRC FAN ON/OFF UNABLE TO DUPLICATE FAULT, NORMAL CABIN SMELL OBSERVED. NO ABNORMAL NOISE WHILE PACK 1/2 OPERATES. PERFORMED OPS TEST OF THE DISPLAY SUPPLY FAN AND CHECK VALVE IAW CRJ700 AMM 21-24-12-710-801-A01-PSA, TEST GOOD.