Service difficulty report · Wire Harness · Boeing 737824

Difficulty date
March 17, 2024
Submitted
March 20, 2024
Operation
Air carrier
Aircraft
N35260
Make and model
Boeing 737824
Aircraft serial
30855
Aircraft time
70,981 hours, 24,705 cycles
Engine
Cfmint CFM567B262
Part
Wire Harness
Part number
1958M37G01
Condition
Failed
Location
Rh Eng
Stage of operation
CL
How discovered
O
Nature of condition
J, O
Precautionary procedure
A

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

What was found

RH ENG ABNORMAL INDICATIONS. RETURNED TO GUM. NO EXCEEDANCE NOTED. PERFORMED EEC BITE TEST PER AMM 73-21-00. FOUND FAULT 77-20862. S3 THERMOCOUPLE RECENTLY REPLACED. REMOVED AND REPLACED CJ10 HARNESS PER AMM 73-21-06. INSTALLATION TEST PASSED. T495S3 TEMP READS NORMAL. PERFORMED POWER ASSURANCE RUN AT 90% N1 SPEED FOR 10MINS. EGT INDICATION WITHIN LIMITS. AIRCRAFT RETURNED BACK INTO SERVICE.