Service difficulty report · Hmu · Boeing 7378H4

Difficulty date
February 23, 2026
Submitted
February 24, 2026
Operation
Air carrier
Aircraft
N8680C
Make and model
Boeing 7378H4
Aircraft serial
36737
Aircraft time
42,020 hours, 19,987 cycles
Engine
Cfmint CFM567B27E
Part
Hmu
Condition
Failed
Location
Nr 1 Engine
Stage of operation
LD
How discovered
O
Nature of condition
A, P
Precautionary procedure
O

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

What was found

UPON LANDING AT MCI, TOWER SAID WE HAD A FIRE IN THE LT WING. STOPPED & THE NR 1 ENGINE FAILED. HAD NO FIRE INDICATIONS. ACCOMPLISHED DFDR DOWNLOAD FOR NR 1 ENG EVENT. PPE SUGGESTED NR 1 HMU REQUIRED REPLACEMENT AFTER REVIEWING THE DATA. REMOVED & REPLACED NR 1 ENGINE HMU, LEAK AND OPS CHECKED GOOD IAW MT 773-21-10.

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