Service difficulty report · Wire Harness · Boeing 7377H4

Difficulty date
September 6, 2020
Submitted
September 9, 2020
Operation
Air carrier
Aircraft
N924WN
Make and model
Boeing 7377H4
Aircraft serial
36628
Aircraft time
41,569 hours, 25,024 cycles
Engine
Cfmint CFM567B243
Part
Wire Harness
Condition
Out Of Tolerance
Location
Nr 2 Engine
Stage of operation
CL
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

DURING CLIMBOUT THE NR 2 ENGINE EGT GAUGE TURNED AMBER AND INDICATED A TEMPERATURE OF APPROXIMATLY 915-920 FOR APPROXIMATLY 2 SECONDS. AFTER PERFORMING QRH PROCEDURE WE OPERATED AT REDUCED THRUST AND ALL INDICATORS WERE NORMAL. AIRCRAFT WAS AT REDUCED CLIMB TOWER PROFILE. COMPLIED WITH TASK 777-21-01. FOUND J10 HARNESS OUT OF LIMITS AT PINS B- TO V- AND H TO A-. REMOVED AND REPLACED J10 HARNESS, PER AMM 73-21-00 AND PREFORMED FIM TASK 77-21-804. OPS CHECK NORMAL

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