Service difficulty report · Pressure Switch · Boeing 75724APF

Difficulty date
September 29, 2026
Submitted
September 29, 2026
Operation
Air carrier
Aircraft
N452UP
Make and model
Boeing 75724APF
Aircraft serial
25473
Aircraft time
43,206 hours, 24,589 cycles
Engine
Rroyce RB211535E4
Part
Pressure Switch
Condition
Faulted
Location
Fuel Sys
Stage of operation
CL
How discovered
O
Nature of condition
J, J
Precautionary procedure
A

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

What was found

L ENG FUEL FILT EICAS ON CLIMB OUT @ FL200, RAN QRH, RESULTED IN ATB TO SDF REPLACED DIFF PRESS SWITCH PER AMM 73-34-01-401 OPS AND LEAK CHECKS GOOD PER AMM 73-34-00-501

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