What was found
RETURN TO GATE DUE TO NR 1 START VALVE LIGHT FLICKERING DURING TAXI. REMOVED AND REPLACED START VALVE. OPERATIONAL CHECKED AND RETURNED AIRCRAFT TO SERVICE. (W)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RETURN TO GATE DUE TO NR 1 START VALVE LIGHT FLICKERING DURING TAXI. REMOVED AND REPLACED START VALVE. OPERATIONAL CHECKED AND RETURNED AIRCRAFT TO SERVICE. (W)