What was found
APU SHUTDOWN ON PUSHBACK. BITE CKD ECU, SHOWS REVERSE FLOW. CLEARED AND RESTARTED APU. OPS CKS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
APU SHUTDOWN ON PUSHBACK. BITE CKD ECU, SHOWS REVERSE FLOW. CLEARED AND RESTARTED APU. OPS CKS GOOD.