Service difficulty report · Shutoff Valve · Boeing 737990ER

Difficulty date
January 26, 2016
Submitted
February 2, 2016
Operation
Air carrier
Aircraft
N464AS
Make and model
Boeing 737990ER
Aircraft serial
40714
Aircraft time
6,829 hours, 2,189 cycles
Engine
Cfmint CFM567B27E
Part
Shutoff Valve
Condition
Malfunctioned
Location
Nr 1 Eng
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

NR 1 ENGINE VALVE CLOSED LIGHT ON BRIGHT AFTER ENGINE START. ACFT GROUNDED. REPLACED NR 1 ENGINE HIGH PRESSURE SHUTOFF VALVE SWITCH IAW AMM 73-10. OPS CHECK GOOD.