As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON INITIAL START UP OF APU AND OPENING BLEED AIR ON, RECEIVED ELECTRICAL ODOR IN COCKPIT AND CABIN. ALSO GET FADEC REV ADC L AMBER CAS MESSAGE IN CONJUNCTION WITH ODOR. REMOVED APU GENERATOR S/N 242 AND INSTALLED OVERHAULED GENERATOR S/N 083C IAW AMM 24-32-00. ALSO REMOVED BATTERY AMP METER P/N M463B S/N 25655 AND INSTALLED NEW BATTERY AMP METER P/N M463B S/N 26275 IAW AMM 24-30-01. CHECKS GOOD.