Service difficulty report · Wire Harness · Boeing 737990ER

Difficulty date
August 4, 2021
Submitted
September 8, 2021
Operation
Air carrier
Aircraft
N419AS
Make and model
Boeing 737990ER
Aircraft serial
41734
Aircraft time
31,106 hours, 10,017 cycles
Part
Wire Harness
Part number
CA24402
Condition
Broken
Location
Overheat Loop
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

ON PREFLIGHT ENG #1 OVERHEAT TEST FAILED, B LOOP A LOOP WORKS CURRENTLY. GROUNDED - YES. REPLACED #1 ENG CORE HARNESS P/N CA244-02 REF B737-900 AMM 26-11-02-401 OPS TEST PASSED.