As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STARTED APU AFTER LANDING AND BLUE "MAINT" LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED APU BITE PROCEDURE PER FIM 49-60-801. NO CURRENT FAULTS, OIL INDICATION IS FULL. C/W APU START PER AMM 49-00-00 APU OPS NORMAL, MAINT LIGHT EXT. SEAMC NOTIFIED.