As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REMOVE SURGE CONTROL VALVE AND INSTALL TROUBLESHOOTING SURGE CONTROL VALVE FOR TROUBLESHOOTING PURPOSES.(<P>REMOVED AND REPLACED APU SURGE CONTROL VALVE IAW B767 AMM 49-53-01. PERFORMED SATISFACTORY OPS AND LEAK CHECK, NO DEFECTS NOTED.</P>)