What was found
CREW REPORTED THAT DURING TAXI, HAD TWO FAILED START ATTEMPTS FOR THE APU. IAW MOC NO 30 DAY HISTORY OF FAILED START ATTEMPTS OR AUTO SHUT DOWNS. PERFORMED TSM 49-62-00-810-820-A, NO CLASS 1 OR CLASS 2 MESSAGES RELATED TO APU FAULT. RAN APU TWICE WITH LOAD ON GENERATOR 51% FOR 10 MINUTES EACH TIME, NO DEFECTS NOTED, NO AUTO SHUT DOWN.