Service difficulty report · Hmu · Boeing 7378H4

Difficulty date
August 16, 2025
Submitted
August 19, 2025
Operation
Air carrier
Aircraft
N8510E
Make and model
Boeing 7378H4
Aircraft serial
36944
Aircraft time
29,252 hours, 14,636 cycles
Engine
Cfmint CFM567B27E
Part
Hmu
Condition
Dirty
Location
Nr 2 Engine
Stage of operation
AP
How discovered
O
Nature of condition
R
Precautionary procedure
O

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

What was found

#2 ENG NEVER REACHED TAKEOFF THRUST OF 91.2 ON TAKEOFF ROLL. DIRECTIONAL CONTROL (YAW) NOTICED ON TAKEOFF. #2 ENG LAGGED THRUST RESPONSE ON SINGLE ENGINE APPROACH.<[01] FOUND DEBRIS IN FUEL FILTER PHOTOS SENT TO POWERPLANT ENGINEERING. HMU AND FUEL PUMP ASSY REPLACED ON TTG8Q014LMX2

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