Service difficulty report · Pressure Switch · Boeing 737890

Difficulty date
January 30, 2016
Submitted
February 4, 2016
Operation
Air carrier
Aircraft
N597AS
Make and model
Boeing 737890
Aircraft serial
35689
Aircraft time
29,983 hours, 9,249 cycles
Engine
Cfmint CFM567B27
Part
Pressure Switch
Part number
QA07995
Part serial
YY098272T
Condition
Failed
Location
Engine Fuel
Part time
17,099 hours, 5,514 cycles
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

FUEL FILTER BYPASS LIGHT ILLUMINATED DURING TAXI AND STAYED ILLUMINATED FOR 30 SECONDS, THEN EXTINGUISHED. ACFT GROUNDED. R & R FUEL DIFFERENTIAL PRESSURE SWITCH IAW AMM 73-34-01-400. ELETRONIC ENGINE CONTROL TEST AND LEAK CHECK GOOD.