What was found
APU PNUEMATICS INOP. *S/D* REPLACED APU SURGE CONTROL VALVE. MOTORED ENGINES AND DUCT PRESSURE NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
APU PNUEMATICS INOP. *S/D* REPLACED APU SURGE CONTROL VALVE. MOTORED ENGINES AND DUCT PRESSURE NORMAL.