What was found
STL - FLT 1677 - STL-PHX - APU SHUT DOWN AT 3000 FT, RETURNED STL AND LANDED WITHOUT INCIDENT. REPLACED OIL FILTER AND OIL PRESSURE SWITCH. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
STL - FLT 1677 - STL-PHX - APU SHUT DOWN AT 3000 FT, RETURNED STL AND LANDED WITHOUT INCIDENT. REPLACED OIL FILTER AND OIL PRESSURE SWITCH. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)