Service difficulty report · Wire Harness · Boeing 737890

Difficulty date
March 24, 2018
Submitted
March 27, 2018
Operation
Air carrier
Aircraft
N569AS
Make and model
Boeing 737890
Aircraft serial
35184
Aircraft time
42,131 hours, 12,908 cycles
Engine
Cfmint CFM567B27
Part
Wire Harness
Part number
3250257020
Condition
Faulted
Location
Nr 1 Engine
Stage of operation
IN
How discovered
9
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

FAULT CODE: 73-11271 FOUND ON THE NR 1 ENGINE. THE ALTERNATOR VOLTAGE INPUT TO THE EEC IS OUT OF RANGE. SHORT TIME FAULT. ACFT GROUNDED. REMOVED AND REPLACED THE NR 1 ENGINE J7 HARNESS IAW AMM 73-21-06-000-801-F00, AND AMM 73-21-06-400-801-F00. PERFORMED EEC TEST IAW AMM 73-21-00-700-804-F00, AND POWERPLANT TEST 12, ACTUATORS TEST IAW AMM 71-00-00-700-807-F00. ALL TESTS PASSED.