Service difficulty report · Wire Harness · Boeing 737890

Difficulty date
December 9, 2018
Submitted
December 13, 2018
Operation
Air carrier
Aircraft
N590AS
Make and model
Boeing 737890
Aircraft serial
35687
Aircraft time
41,481 hours, 12,552 cycles
Part
Wire Harness
Part number
3250350030
Condition
Defective
Location
Nr 1 Engine
Stage of operation
IN
How discovered
O
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

WHILE PERFORMING TASK CARD FOUND NR 1 ENGINE FAULT 75-20391, LONG TIME FAULT. THE VSV POSITION SIGNAL IS OUT OF RANGE. GROUNDED - YES. ON DEFERRAL. ACCOMPLISHED FIM 75-34 TASK 819. FOUND J6 (CH B) WIRE HARNESS RESISTANCE NOT IN SPECIFIED RANGE. REMOVED AND REPLACED J6 WIRING HARNESS PER AMM 73-21-06. EEC TEST TASK PASSED PER AMM 73-21-00-700-804-F00. ACTUATORS TEST PASSED PER AMM 71-00-00-700-807-F00. GROUND VERIFICATION SUCCESSFUL.