Service difficulty report · Engine · Boeing 7377H4

Difficulty date
August 17, 2023
Submitted
August 21, 2023
Operation
Air carrier
Aircraft
N212WN
Make and model
Boeing 7377H4
Aircraft serial
32485
Aircraft time
60,650 hours, 36,462 cycles
Engine
Cfmint CFM567B242
Engine time
52,493 hours, 31,376 cycles
Part
Engine
Condition
Overheated
Location
Zn 400 Nacelle/P
Stage of operation
CL
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

AFTER LIFTOFF WE NOTICED EGT. @ AROUND 968 DEG ON THE #1 ENGINE FOR APPROXIMATELY 30 SECONDS. IT WAS A MAX POWER TAKEOFF DUE TO WINDSHEAR ; AS REPORTED BY ATIS. AFTER COMPLETING THE NON-NORMALS AND NORMAL CHECKLIST WE DID AN UNEVENTFUL 15 DEG FLAP AUTOBREAK 3 LANDING AND EXITED THE RUNWAY 10300 FT FROM THE APPROACH END. WE ACCOMPLISHED 30 MINUETS BREAK COLING OFF THE GATE.<[01] TROUBLESHOOT PER EA M-21-177-01860; FOUND FAULT CODE 77-20861 AND FOUND T49.5 PROBE (CHB) S3 RESISTANCE OUT OF LIMITS.<BR>REPLACED T49.5 PROBE (CHB) S3 IAW AMM 77-21-01.<BR>ALL OPS CKS GOOD AT THIS TIME.

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