As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU FAILED TO START, FAULT LIGHT ILLUMINATED. NO ROTATION SHUTDOWN MAINT MESSAGE 49-41012. GROUNDED - YES. REMOVED AND REPLACED APU STARTER-GENERATOR UNIT PER AMM 49-41-21. REPLACEMENT AND GROUND VERIFICATION INSTALLATION ACCOMPLISHED, OPS CK GOOD. APU CURRENT STATUS SHOWS NO FAULTS.