Service difficulty report · Shutoff Valve · Boeing 777222

Difficulty date
March 3, 2011
Submitted
March 4, 2011
Operation
Air carrier
Aircraft
N783UA
Make and model
Boeing 777222
Aircraft serial
26950
Aircraft time
62,101 hours, 8,937 cycles
Engine
Pwa PW40903
Part
Shutoff Valve
Part number
16P944
Condition
Unserviceable
Location
Nr 2 Engine
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

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.