Service difficulty report · Wire Harness · Boeing 737990ER

Difficulty date
November 8, 2021
Submitted
November 12, 2021
Operation
Air carrier
Aircraft
N428AS
Make and model
Boeing 737990ER
Aircraft serial
36353
Aircraft time
20,796 hours, 6,590 cycles
Part
Wire Harness
Part number
3250276050
Condition
Faulted
Location
Nr 2 Fire 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

THE FAULT LIGHT ILLUMINATES AND ENGINE 2 FIRE HANDLE DOES NOT ILLUMINATE DURING OVHT INOP FIRE TEST. ( LOOP B FAULT ). GROUNDED - YES. REMOVED & REPLACED MW0326 HARNESS. OPS CK GOOD. REF B737-900 AMM 26-11-02.