Service difficulty report · Pressure Switch · Boeing 737890

Difficulty date
May 29, 2021
Submitted
June 1, 2021
Operation
Air carrier
Aircraft
N586AS
Make and model
Boeing 737890
Aircraft serial
35189
Aircraft time
49,162 hours, 14,838 cycles
Engine
Cfmint CFM567B27B3
Part
Pressure Switch
Part number
QA07995
Part serial
RF95771
Condition
Faulty
Location
Nr 2 Engine Fuel
Part time
2,224 hours, 601 cycles
Stage of operation
IN
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

WHILE ACCOMPLISHING T/C 78273000 #2 ENG CODE 73-31072 LONG TIME FAULT THE FUEL FILTER SIGNALS DISAGREE. GROUNDED - YES. REMOVED AND REPLACED #2 ENG FUEL FILTER DIFFERENTIAL PRESSURE SWITCH PER B737-800 AMM 73-34-01. OPS TEST NORMAL. LEAK TEST GOOD.