Service difficulty report · Switch · Boeing 737890

Difficulty date
January 29, 2010
Submitted
February 1, 2010
Operation
Air carrier
Aircraft
N579AS
Make and model
Boeing 737890
Aircraft serial
35187
Aircraft time
11,191 hours, 3,324 cycles
Engine
Cfmint CFM567B27
Part
Switch
Part number
66002849
Condition
Malfunctioned
Location
Cockpit
Stage of operation
IN
How discovered
O
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

NR 2 ENG START S/W DID NOT CUTOUT. START VALVE CLOSED AFTER MANUALLY TURNING OFF START SWITCH. TWO STARTS ACCOMPLISHED. REMOVED AND REPLACED NR 2 ENG START SWITCH REF WDM 74 31 11, OPS CHECK NORMAL REF MM 80 11 00.