Service difficulty report · Start Valve · Boeing 737890

Difficulty date
February 19, 2015
Submitted
February 23, 2015
Operation
Air carrier
Aircraft
N570AS
Make and model
Boeing 737890
Aircraft serial
35185
Aircraft time
30,618 hours, 9,108 cycles
Engine
Cfmint CFM567B27
Part
Start Valve
Part number
32896302
Part serial
6895
Condition
Malfunctioned
Location
Nr 1 Engine
Part time
51,377 hours, 17,685 cycles
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

ON WALK AROUND, NOTED LOUD RUSH OF AIR FROM NR 1 ENGINE LT SIDE AND OTBD FAN COWL VERY HOT. ACFT GROUNDED. PERFORMED MANUAL WRENCH CHECK ON STARTER VALVE, VERIFIED VALVE NOT FULLY CLOSING. R & R NR 1 ENGINE STARTER VALVE OPS AND LEAK CHECK GOOD REF MM 80-11-03. STARTER VALVE OPS AND LEAK CK GOOD.