Service difficulty report · Hmu · Boeing 7378H4

Difficulty date
February 16, 2026
Submitted
February 19, 2026
Operation
Air carrier
Aircraft
N8303R
Make and model
Boeing 7378H4
Aircraft serial
36681
Aircraft time
44,770 hours, 21,186 cycles
Engine
Cfmint CFM567B27
Part
Hmu
Condition
Failed
Location
Nr 2 Engine
Stage of operation
TO
How discovered
O
Nature of condition
J
Precautionary procedure
C

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

What was found

NR 2 ENG SLOW TO ACCELARATE WOULD NOT GO ABOVE 83.5%. NR 1 ENG WAS AT REQ. N1 OF 91.3% REJECTED TAKEOFF AT APPROX 75 KNOTS. REMOVED AND REPLACED NR 2 ENGINE HMU, FUEL PUMP ASSY IAW TTG8Q01AG805; MT 773-11-00. COMPLIED WITH THE INSPECTION REQUIREMENTS OF THIS TASK CARD AND THE RII INSPECTION REQUIREMENTS OF THIS TASK CARD AS REQUIRED.

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