As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING T/C 78349005 FOUND THE OIL FILTER INDICATOR ON LUBE FILTER HOUSING OF THE APU EXTENDED. REMOVED & REPLACED OIL FILTER ELEMENT REF MM 49 91 12. LEAK CHECK GOOD. REMOVED & REPLACED OIL FILTER INDICATOR REF MM 49 91 31. LEAK CHECK GOOD.