Service difficulty report · Engine · Boeing 7377H4

Difficulty date
February 7, 2026
Submitted
February 10, 2026
Operation
Air carrier
Aircraft
N456WN
Make and model
Boeing 7377H4
Aircraft serial
32463
Aircraft time
70,098 hours, 42,207 cycles
Engine
Cfmint CFM567B242
Engine time
63,971 hours, 37,767 cycles
Part
Engine
Part number
CFM567B24
Part serial
890445
Condition
Sparks
Location
Nr 2
Stage of operation
TX
How discovered
O
Nature of condition
B
Precautionary procedure
E

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

What was found

ON THE NR 2 ENGINE START, A LARGE SMOKE PLUME, GROUND CREW REPORTED SPARKS. ABORTED ENGINE START & GROUND CREW REPORTED SMOKE DISSIPATED AND SPARK STOPPED. NO ABNORMAL INDICATIONS IN THE FLIGHT DECK. INSPECTED NR 2 ENGINE IAW FIM 71-05 TASK 811. NO DEFECTS NOTED. POWERPLANT ENGINEERING IN BIAS. IAW POWERPLANT ENGINEERING, R & R NR 2 ENG IAW MT 771-00-01. ALL OPS AND LEAK CHECKS GOOD. INSPECTED PER MT 771-00-01 AND AMM 71-00-02.

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