As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STARTING APU THE "MAINT" LIGHT ILLUMINATED. PERFORM BITE CHECK OF APU. CODE 49 11019 PERFORMED FIM 49 10 00 MAINT MESSAGE DID NOT REOCCUR. APU MAINT LIGHT REMAINED OFF. PERFORMED G/I OF APU AND APU OIL QUANTITY ADDED 1.0 QT. NO LEAKS DETECTED. STARTED AND RAN APU 3 TIMES WITH PNEUMATIC AND ELECTRIC LOADS APPLIED APU, OPS CHECKS NORMAL.