Service difficulty report · Engine · Boeing 7377H4

Difficulty date
April 23, 2026
Submitted
April 27, 2026
Operation
Air carrier
Aircraft
N917WN
Make and model
Boeing 7377H4
Aircraft serial
36624
Aircraft time
58,057 hours, 35,253 cycles
Engine
Cfmint CFM567B242
Part
Engine
Condition
No Discrepancy
Location
Nr 1
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 1 ENGINE SLOW TO SPOOL FOR TAKE OFF. RT ENGINE AT TAKE OFF THRUST & LT ENGINE AT 45%. IAW FIM 73-05, TASK 814. PERFORMED TEST 8 ACCELERATION CHKD AMM 71-00-00. TEST PASSED; NO DEFECTS FOUND.

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