Service difficulty report · Pressure Switch · Boeing 767424ER

Difficulty date
May 31, 2025
Submitted
June 2, 2025
Operation
Air carrier
Aircraft
N59053
Make and model
Boeing 767424ER
Aircraft serial
29448
Aircraft time
97,190 hours, 13,693 cycles
Engine
Ge CF680C2B7F
Part
Pressure Switch
Part number
21SN04466
Part serial
CFL5693BA
Condition
Faulted
Location
Fuel Sys
Part time
83,849 hours, 11,789 cycles
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

INTERMITTENT RIGHT ENGINE FUEL FILTER BYPASS. REMOVED, INSPECTED AND REPLACED RIGHT ENGINE FUEL FILTER REF AMM 73-11-02. INSPECTION OF FILTER SHOWED CLEAN NO DEBRIS NOTED. REMOVED AND REPLACED FUEL FILTER DIFFERENTIAL PRESSURE SWITCH REF AMM 73-34-01. LEAK CHECK REQUIRED FOR INSTALL ON BOTH SWITCH, FUEL PR OFF 64-7334-9-9001 5693 ON 64-7334-9-9001 5206 COMPONETS. PERFORMED ENGINE IDLE RUN AS A PRECAUTION PER POWERPLANT REFERENCE TABLE 71-00-00, NO LEAKS NOTED MESSAGE DID NOT REAPPEAR, OKAY FOR SERVICE