Service difficulty report · Wire Harness · Boeing 737890

Difficulty date
August 31, 2017
Submitted
September 5, 2017
Operation
Air carrier
Aircraft
N592AS
Make and model
Boeing 737890
Aircraft serial
35190
Aircraft time
36,869 hours, 11,241 cycles
Part
Wire Harness
Part number
3250434020
Condition
Defective
Location
Nr 2 Engine
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

AFTER SHUTDOWN, NR 2 EGT SHOWED A RED BOX. GROUNDED - YES. ACCOMPLISHED FIM 71-06 TASK 805. NR 2 ENG EGT EXCEEDANCE SHOWS 979.0 DEGREES FOR 11.4 SECONDS REF AMM 71-00-00-740-801-F00. ENGINE EGT EXCEEDANCE PAGE CHECK ACCOMPLISHED NR 2 ENG EEC BITE REF FIM 73-00 TASK 801 LOGGED FAULT CODE 77-20862. CLEANED J9 & J10 HARNESSES & EGT CONNECTIONS PER AMM 77-21-00-140-806. ON COMPLETING RESISTANCE CK OF HARNESSES PER AMM 77-21-01-200-801-F00 FOUND J9 CONNECTOR AT EEC PINS B & V HIGH RESISTANCE. REMOVED & REPLACED J9 HARNESS PER AMM 73-21-06-400-802-F00. ACCOMPLISHED FADEC SYSTEM TEST PER AMM 73-21-00. OPS NML. RESET RED "BOX" ON NR 2 ENG EGT INDICATION. RAN NR 2 ENGINE. NO DEFECTS NOTED.