Service difficulty report · Start Valve · Boeing 737990ER

Difficulty date
October 17, 2018
Submitted
October 18, 2018
Operation
Air carrier
Aircraft
N469AS
Make and model
Boeing 737990ER
Aircraft serial
41702
Aircraft time
16,771 hours, 5,586 cycles
Part
Start Valve
Part number
32896302
Part serial
16309
Condition
Inoperative
Location
Nr 2 Engine
Part time
16,774 hours, 5,587 cycles
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
D

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

What was found

NR 2 ENGINE, UPON ENGINE START, NO N1 OR N2 ROTATION. AFTER FOLLOWING QRH, WE TURNED START SWITCH OFF BUT START VALVE REMAINED ON. GROUNDED - YES. REMOVED AND REPLACED NR 2 ENGINE START VALVE IN REFERENCE TO AMM 80-11-03. OPS CHECK GOOD.