Service difficulty report · Wire Harness · Boeing 737890

Difficulty date
May 20, 2019
Submitted
May 21, 2019
Operation
Air carrier
Aircraft
N596AS
Make and model
Boeing 737890
Aircraft serial
35688
Aircraft time
42,004 hours, 12,726 cycles
Part
Wire Harness
Part number
3250435030
Condition
Failed
Location
Nr 1 Engine
Stage of operation
TX
How discovered
O
Nature of condition
N
Precautionary procedure
D

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

What was found

EGT RED ENGINE LIMIT EXCEEDANCE BOX ILLUMINATED. GROUNDED - YES. COMPLIED WITH FIM TASK 71-00-00-740-801-F00 CLEARED RED ENGINE LIMIT EXCEEDANCE, ALSO FIM TASK 71-06-804, CONFIRMED WITH MTX CONTROL PEAK: 1038.5 RED: 950.0 C/W INTAKE AND EXHAUST INSP, NO DEFECTS NOTED. ACCOMP EGT SYS INSP REF AMM 77-22-01-200-801. J10 HARNESS FAILS RESISTANCE CHECK. REMOVED J10 HARNESS REF AMM 73-21-06-400-802-F00/73-21-06-400-803-F00. FINAL T49.5 SYSTEM TEMPS: S1-104.87, S2-97.13, S3-97.39, S4-108.73. ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION SUCCESSFUL. ACCOMPLISHED POWER ASSURANCE REF AMM 71-00-00-700-813-F00, CKS GOOD.