What was found
AFTER PUSH BACK NR 4 ENG FAILED TO START WITH IGNITION SWITCH IN NR 1 OR NR 2 POS. REMOVED AND REPLACED NR 4 ENG START VALVE PER MM 80-11-01. NO LEAKS NOTED, ENG START NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER PUSH BACK NR 4 ENG FAILED TO START WITH IGNITION SWITCH IN NR 1 OR NR 2 POS. REMOVED AND REPLACED NR 4 ENG START VALVE PER MM 80-11-01. NO LEAKS NOTED, ENG START NORMAL.