What was found
APU FAULT LIGHT ILLUMINATED, 2 START ATTEMPTS, APU ECU INDICATION LOW OIL PRESSURE, OIL LEVEL. ADDED 3 QTS OF OIL TO APU IAW AMM 12-13-04, CLEARED FAULT AND RAN APU WITH PACKS FOR 5 MINUTES, NO FAULTS, OIL LEVEL GOOD. OPS CHECKED GOOD IAW AMM 49-00-00.