What was found
DURING CRUISE, APU OIL ADD LIGHT CAME ON, APU SHUT DOWN. ATTEMPTED RESTART TWICE WITH NO SUCCESS. RIGHT IDG PREVIOUSLY PLACED ON MEL. ACCOMPLISHED UNEVENTFUL, UNSCHEDULED LANDING. SERVICE APU WITH 3 QUARTS OF OIL, CHECKED CHIP DETECTORS. PERFORMED APU BITE CHECK AND CLEARED OIL LOW MESSAGE. OPERATIONALLY AND LEAK CHECKED APU, GOOD. (M)