As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU FAULT LIGHT ILLUMINATED WHEN STARTING APU ON TAXI IN TO GATE. GROUNDED - YES. CHECKED FOR OMF FOUND NO ACTIVE FAULT AND FOUND MSG #49-41012 (NO APU ROTATION SHUTDOWN) AND 49-41254 (START CONVERTER UNIT SHOWS START SYSTEM INOP) WHICH IS NOT ACTIVE. PERFORMED APU BITE PROCEDURE PER AMM 49-61-00-700-801. NO MORE ACTIVE MESSAGE FOUND REF IFIM 49-40-00-810-818.