Service difficulty report · Wire Harness · Boeing 737990ER

Difficulty date
October 15, 2020
Submitted
October 19, 2020
Operation
Air carrier
Aircraft
N431AS
Make and model
Boeing 737990ER
Aircraft serial
43255
Aircraft time
26,745 hours, 8,633 cycles
Engine
Cfmint CFM567B27E
Part
Wire Harness
Part number
3250299080
Condition
Damaged
Location
#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

MW0311 HARNESS FOUND CHAFED BY J10 HARNESS. GROUNDED-YES. REMOVED AND REPLACED MW311, REF B737-900 AMM 73-21-06-000-802-F00 AND AMM 73-21-06-400-802-F00. OPERATIONS TEST REQUIRED. AAVM VIBE OPERATIONS TEST PASSED, REF AMM 77-31-00. FADEC SYSTEM TEST PASSED, REF AMM 73-21-06. BLEED AIR REGULATOR TEST PASSED, REF AMM 73-21-06. ACCOMPLISHED B737-900 AMM 30-11-12-710-801. OPERATIONS CHECK GOOD (STEP F(1)(C)2)B).