As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BURNING SMELL IN THE FLIGHT DECK. "ELECTRICAL BURNING SMELL" GROUNDED - YES. C/W WITH TSM 05-50-00-810-831-A. PERFORMED ENG RUN ON #1 ENG FOR APPROX 10 MIN. SWITCHED PACKS 1 & 2 0N & OFF. NO SMOKE SMELL FOUND. INSP APU COMPARTMENT NO OIL LEAKS OR SMELL. SEE ITEM 2 LP 1191256. PER TSM 21-26-00-810-809-A FOUND BLOWER FAN INOP. R/R BLOWER FAN PER AMM 21-26-51 OPS CHECK GOOD , OK FOR SVC. NO FURTHER FAULT NOTED