As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THIS IS SUPLEMENTAL DATA TO ORIGINAL SUBMISSION. P/N NOW INCLUDED. AVIONICS COOLING FAN ON CAPTAIN SIDE STARTED TO MAKE REALLY LOUD NOISES. WHILE IT WAS GETTING LOUDER + LOUDER STARTED TO SMELL ELECTRICAL BURNING QUICKLY SWITCHED DISPLAY FAN TO FLT ALTN AND IT WENT AWAY - DEFERRED #1 FAN (DISPLAY FAN) IAW MEL 21-24-2. PLACARD INSTALLED MM02 UPDATED, MOC #98384 NOTIFIED. REMOVED AND REPLACED DISPLAY FAN #1 IAW AMM 21-24-19 OPS TEST GOOD CLEARING MEL, MM02 UPDATED, PLACARD REMOVED, MOC NOTIFIED #14332