As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI TO THE GATE, APU MAINTENANCE LIGHT ILLUMINATED. ACRT GROUNDED. APU BITE REPORTS LOW OIL QUANTITY. COMPLIED WITH FIM 49-90 TASK 804. VERIFIED OIL SIGHT GLASS ON APU SHOWS FULL. IAW FIM TASK 49-60 FAULT WAS A NUISANCE MESSAGE.