As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BLUE MAINT LIGHT ILLUMINATED ON APU AFTER START. PERFORMED APU BITE PROCEDURE PER FIM TASK 49 60 00 810 801, FOUND MESSAGE 49 91227 LOW OIL QUANTITY. PERFORMED LOW OIL QUANTITY FAULT ISOLATION PER FIM TASK 49 50 00 810 804. FOUND OIL .5 QTS LOW NO OTHER FAULTS FOUND. OPERATED APU, OPS CK'D NORMAL. FAULT CLEARED.