What was found
APU LOW OIL PRESSURE LIGHT LIGHT ON, APU HAD A PROTECTIVE SHUTDO WN APU SHUTDOWN WHILE IN FLIGHT. THAT WITH ENGINE GEN MEL DROVE DIV ERT DUE TO SINGLE GEN SOURCE UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK. CHRIS RICE HELPED WITH INFORMATION ON APU BITE. CHRIS IS NON CAT II/III. NO ONE TIME AUTHORIZATION WAS GIVEN AT THIS TIME. REPLACED LOW OIL PRESSURE SWITCH. GROUND OPS CHECKED OK. REF AMM 49-94-22-000-801.