What was found
ABNORMAL SMELL IN COCKPIT, VICINITY OF CBP2/ DCU SWITCHES, DIMINISHING DURING DESCENT LIGHTLY. SUGGESTIVE OF FAILING ELECTRICAL COMPONENT. NO SMOKE REMOVED CONTAMINATED INSULATION FOUND IN AVIONICS BAY, EVIDENT IMPROVEMENT IN CABIN / COCKPIT AIR QUALITY, TRANSFERRED MISSING INSULATION TO DI LOG, DI 19899. A/C SERVICEABLE IAW CRJ. FOUND GALLEY EXHAUST FAN SEIZED. REMOVED AND REPLACED GALLEY EXHAUST FAN IAW AMM 21-23-10. OP CHECK GOOD. OK FOR SERVICE.