Service difficulty report · Start Valve · Boeing 737990ER

Difficulty date
April 20, 2018
Submitted
April 24, 2018
Operation
Air carrier
Aircraft
N408AS
Make and model
Boeing 737990ER
Aircraft serial
41732
Aircraft time
21,519 hours, 7,036 cycles
Part
Start Valve
Part number
32896302
Part serial
14800
Condition
Failed
Location
Nr 1 Engine
Part time
21,519 hours, 7,036 cycles
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
D

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

What was found

NR 1 ENGINE START VALVE OPEN LIGHT REMAINED ILLUMINATED AFTER START. ACCOMPLISHED QRH CHECKLIST AND STILL REMAINED ILLUMINATED. ACFT GROUNDED. REMOVED AND REPLACED THE NR 1 START VALVE, OPS CHECKED NORMAL IAW AMM 80-11-03