What was found
NR 2 ENGINE OB TVBC INDICATOR PIN MISSING. NR 2 ENGINE OB TVBC VALVE INDICATOR PIN MISSING. REMOVED OB TVBC AIR SHUTOFF VALVE. REPLACED TVBC VALVE PER MM, OPS CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NR 2 ENGINE OB TVBC INDICATOR PIN MISSING. NR 2 ENGINE OB TVBC VALVE INDICATOR PIN MISSING. REMOVED OB TVBC AIR SHUTOFF VALVE. REPLACED TVBC VALVE PER MM, OPS CHECK GOOD.