What was found
APU FAULT WHEN STARTING IAW ECAM SHUTDOWN APU, SECOND START ATTEMPT, APU OK. G.V.I. OF APU COMPARTMENT, FOUND APU OIL QTY LOW AT ADD LINE. SERVICED APU OIL TO FULL. INSPECTED COMPARTMENT FOUND NO DISCREPANCIES AT THIS TIME. ALSO INSPECTED EXHAUST AREA. N.T.F. STARTED APU ON FIRST ATTEMPT.