As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAXI IN WITH LEFT ENG RUNNING AFTER APU START, L BLEED FAIL CAUTION ACCOMPANIED BY BURNING/HOT ELECTRONIC WIRE ODOR. C/W EFIM TROUBLESHOT IAW AMDS WORK CARD 0550-2001 AND NO-GO ODI PREVENTION PROCEDURES 2172. NO FINDINGS/ODORS NOTED. FLIGHT CREW PRESENT FOR ALL TESTS. MCC NOTIFIED OF FINDINGS. A/C OK FOR SERVICE.