Service difficulty report · Start Valve · Boeing 737890

Difficulty date
December 30, 2017
Submitted
January 2, 2018
Operation
Air carrier
Aircraft
N558AS
Make and model
Boeing 737890
Aircraft serial
35177
Aircraft time
43,714 hours, 12,868 cycles
Part
Start Valve
Part number
32896302
Part serial
9247
Condition
Failed
Location
Nr 1 Engine
Part time
43,714 hours, 12,868 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 1 ENGINE WILL NOT START. GOOD DUCT PRESSURE. CB IN, NO START VALVE OPEN LIGHT. GROUNDED - YES. REMOVED NR 1 ENGINE START VALVE PER AMM 80-11-03-000-801-F00. INSTALLED NEW START VALVE PER AMM 80-11-03-400-801-F00. GND VERIFICATION AND LEAK CHECK GOOD PER AMM 71-00-00-700-809-F00.