Service difficulty report · Engine · Boeing 747409F

Difficulty date
July 22, 2026
Submitted
July 23, 2026
Operation
Air carrier
Aircraft
N438GT
Make and model
Boeing 747409F
Aircraft serial
30766
Aircraft time
96,855 hours, 17,660 cycles
Engine
Ge CF680C2B1F
Part
Engine
Condition
Malfunctioned
Location
Nr 2
Stage of operation
TO
How discovered
O
Nature of condition
R, 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 ENGINE FAILED TO SPOOL ABOVE IDLE WHEN T/O THRUST SET. RESPONDS SLOWLY TO THRUST LEVER INPUTS. PERFORMED MPA RUNS ON NR 2 ENGINE, NO FAULTS NOTED. PERFORMED HIGH-ENERGY STOP CONDITIONAL INSP IAW AMM 05-51-10. NO FAULTS NOTED.