What was found
DURING PRE-FLT, THE APU AUTO SHUTDOWN WITH APU FAULT MESSAGE. REMOVED AND REPLACED APU ECU IAW AMM 49-61-05, SYSTEM CHECKED NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING PRE-FLT, THE APU AUTO SHUTDOWN WITH APU FAULT MESSAGE. REMOVED AND REPLACED APU ECU IAW AMM 49-61-05, SYSTEM CHECKED NORMAL.