As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PROVIDING PNEUMATICS ONLY THE APU SHUTDOWN. AMBER FAULT LIGHT IS ILLUMINATED. INTERAGATED CDU FOUND FAULT 49 94299 "STARTER GEN OIL FILTER SHOWS CLOGGED". PERFORMED FIM 49 90 00 810 809 REPLACED LUBE FILTER AND STARTER GEN FILTER AND INSPECTED MAGNETIC DRAIN PLUG. PERFORMED APU START NO LEAKS AND FAULT DID NOT RE-APPEAR. NO PARTICLES FOUND IN FILTERS AND DRAIN PLUG.