What was found
REF L/P 1209698 ETOPS OIL SERVICED, PER SEAMC APU OIL CONSUMPTION LIMITS MAY HAVE BEEN EXCEEDED. GROUNDED - YES. PERFORMED GVI OF DRAIN MAST PER B737-900 AMM 49-16-11. FOUND BOTTOM TEMP CONTROL VALVE LINE LEAKING. REMOVE BOTTOM LINE AND FOUND O RINGS TEAR. REPLACED O RINGS PER AMM 49-91-21. NO LEAKS NOTED AT THIS TIME. NO CURRENT FAULTS FOUND AT THIS TIME. PER E05-00-11 APU OILS CONSUMPTION RATE IS NOT WITHIN LIMITS. SEAMC CONTACTED REF L/P 12096985 FOR TOP DEFERRAL.