Service difficulty report · Switch · Boeing 737890

Difficulty date
March 8, 2016
Submitted
March 10, 2016
Operation
Air carrier
Aircraft
N513AS
Make and model
Boeing 737890
Aircraft serial
35192
Aircraft time
28,765 hours, 8,682 cycles
Engine
Cfmint CFM567B27
Part
Switch
Part number
QA07995
Condition
Failed
Location
Fuel Bypass
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 FUEL FILTER BYPASS LIGHT ILLUMINATED FOR 1 MINUTE AFTER ENGINE START. ACFT GROUNDED. ACCOMPLISHED ELECTRONIC ENGINE CONTROL TEST REF AMM 73-21-00-700-804- F00, OPS TEST GOOD. R & R THE NR 2 ENGINE FUEL FILTER DIFFERENTIAL PRESSURE SWITCH REF AMM 73-34-01-000-801-F00 AND AMM 73-34-01-400-801-F00, STEP D THROUGH F. 2,D. OPS TEST GOOD. LEAK CHECK OF THE NR 2 ENGINE FUEL FILTER DIFFERENTIAL PRESSURE SWITCH GOOD, REF AMM 71-00-00-700-801-F00.