What was found
BURNING SMELL EXPERIENCED INFLIGHT. BOTH COCKPIT AND CABIN EXPERIENCED THE SMELL. CABIN SAW SLIGHT HAZE DURING ARRIVAL/APPROACH. ALL SYSTEMS LOOKED NORMAL AND NO ALARMS OR ABNORMAL INDICATIONS. (EMERGENCY DECLARED) C/W ITEMS 1 THROUGH 8 OF WORK SCOPE, UNABLE TO DUPLICATE ANY PLASTIC OR ELECTRICAL ODOR & HAD NO FINDINGS FROM FIM TASK 21-20-00-810-A. CHECK COCKPIT & CABIN FLASHLIGHTS BATTERIES IAW AMM 33-51-00 UNABLE TO DUPLICATE. C/W GROUND RUN THE PACKS WITH APU IAW AMM 36-11-00-710-802A. UNABLE TO DUPLICATE. C/W GROUND RUNS USING EACH ENG BLEED AIR AS A SOURCE IAW AMM 36-11-00-710-801A. UNABLE TO DUPLICATE. C/W HIGH POWER RUNS IAW AMM 71-00-00. UNABLE TO DUPLICATE.