Service difficulty report · Engine · Boeing 7377H4

Difficulty date
August 15, 2026
Submitted
August 20, 2026
Operation
Air carrier
Aircraft
N291WN
Make and model
Boeing 7377H4
Aircraft serial
32539
Aircraft time
62,048 hours, 37,424 cycles
Engine
Cfmint CFM567B243
Engine time
53,946 hours, 32,700 cycles
Part
Engine
Condition
No Discrepancy
Location
Nr 1 Engine
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

OTS, NR 1 ENGINE SLOW TO SPOOL ON TAKE OFF ROLL, ABORTED AT 40 KTS. ACCOMPLISHED FDR DOWNLOAD AND UPLOADED FOR POWERPLANT ENGINEERING. IAW MM 31-31-00. ACCOMPLISHED ACCELLERATION TEST 8 PER MM 71-00-00, WITHIN ALLOWABLE LIMITS. ACCOMPLISHED POWER ASSURANCE TEST 5 IAW MM 71-00-00 WITHIN ALLOWABLE LIMITS.

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