What was found
APU PNEUMATIC AIR WEAK, INDICATES 20 PSI WITH LOAD. SLOW ENGINE STARTS. REPLACED SURGE VALVE IN REF TO MM. GROUND CHECKS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
APU PNEUMATIC AIR WEAK, INDICATES 20 PSI WITH LOAD. SLOW ENGINE STARTS. REPLACED SURGE VALVE IN REF TO MM. GROUND CHECKS GOOD.