Service difficulty report · Start Valve · Boeing 737890

Difficulty date
August 11, 2017
Submitted
August 14, 2017
Operation
Air carrier
Aircraft
N513AS
Make and model
Boeing 737890
Aircraft serial
35192
Aircraft time
34,012 hours, 10,222 cycles
Part
Start Valve
Part number
32896302
Part serial
6327
Condition
Failed
Location
Nr 2 Engine
Part time
56,499 hours, 22,192 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

AFTER STARTING ENG NR 2, START VALVE SWITCH TRIPPED OFF BUT START VALVE OPEN LIGHT REMAINED ILLUMINATED. PERFORMED QRH PROCEDURE AND VALVE REMAINED OPEN. CB VERIFIED IN. GROUNDED - YES. REMOVED NR 2 ENG START VLV REF AMM 80-11-030-000-801-F00. INSTALLED START VALVE ON ENG NR 2 REF AMM 80-11-03-400-801-F00 OPS CK GOOD NO LK NOTICED.