What was found
DURING CLIMB-OUT, THE LT AIR VALVE LIGHT ILLUMINATED. AIRCRAFT RETURNED TO DTW. MAINTENANCE REPLACED THE LEFT BLEED AIR SHUTOFF VALVE. ALL CHECKS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CLIMB-OUT, THE LT AIR VALVE LIGHT ILLUMINATED. AIRCRAFT RETURNED TO DTW. MAINTENANCE REPLACED THE LEFT BLEED AIR SHUTOFF VALVE. ALL CHECKS GOOD.