Service difficulty report · Engine · Boeing 7378H4

Difficulty date
January 20, 2026
Submitted
January 26, 2026
Operation
Air carrier
Aircraft
N8694E
Make and model
Boeing 7378H4
Aircraft serial
36661
Aircraft time
31,490 hours, 15,726 cycles
Engine
Cfmint CFM567B27
Part
Engine
Condition
Power Loss
Location
Nr 1
Stage of operation
TO
How discovered
O
Nature of condition
R
Precautionary procedure
C

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

What was found

NR 1 ENGINE WOULD NOT SPOOL UP MORE THAN 39 PERCENT DURING TAKEOFF ROLL OUT. 73-30791 PS3 SIGNALS DISAGREE. W/O 109759. PERFORMED EEC BITE FOUND FAULT CODE 73-30791 PS3 SIG DISAGREE. PERFORMED PART POWER ENG RUN WITH CREW AND SUBSEQUENT EEC TEST SHOWED NO FAULTS IAW FIM 73-26 TASK 806.

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