What was found
FLIGHT CREW REPORTED DURING SCHEDULED APU INFLT START APU DID NOT START INFLIGHT. FLIGHT WAS NOT AN ETOPS FLIGHT. OAT (-58 C), ALT FL 390, PEAK EGT 20, 3 ATTEMPTS - NO START. IF START NOT SUCCESSFUL DID APU SHUT DOWN AFTER 95 % ? NO IF START NOT SUCCESSFUL DID APU START ON THE GROUND ? YES