Service difficulty report · Start Valve · Boeing 737490

Difficulty date
November 4, 2014
Submitted
November 6, 2014
Operation
Air carrier
Aircraft
N569AS
Make and model
Boeing 737490
Aircraft serial
35184
Aircraft time
29,359 hours, 9,186 cycles
Engine
Cfmint CFM567B273
Part
Start Valve
Part number
32896302
Part serial
10175
Condition
Failed
Location
Nr 2 Engine
Part time
29,349 hours, 9,182 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 2 ENGINE START VALVE REMAINED OPEN AFTER ENGINE START. ACFT GROUNDED. REPLACED NR 2 ENGINE START VALVE ASSY BONDING CK GOOD REF MM 80-11-03-000-801-F00 AND 80-11-03-400-801-F00. PERFORMED ENGINE START, OPS CK GOOD.