What was found
ETOPS SIGNIFICANT SYSTEM - APU FAULT, AUTO SHUTDOWN. NO FAULTS SHOWN ON PFR OR PREVIOUS FLY LEGS, TROUBLESHOT IAW TSM 49-62-00-810-870A APU OPERATION NORMAL. C/W OPS TEST OF AIR INTAKE FLAP IAW AMM 49-16-51-710-802A, OPS TEST NORMAL NO PREVIOUS SHUTDOWN FAULTS OK FOR SERVICE.