Service difficulty report · Wire Harness · Boeing 737890

Difficulty date
May 23, 2018
Submitted
May 25, 2018
Operation
Air carrier
Aircraft
N506AS
Make and model
Boeing 737890
Aircraft serial
35690
Aircraft time
37,893 hours, 11,604 cycles
Part
Wire Harness
Part number
3250276060
Condition
Failed
Location
Fire Loop
Stage of operation
TX
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

NR 2 ENGINE FIRE TEST FAILED. B LOOP FAULTED. ACFT GROUNDED. REMOVED & REPLACED THE CORE FIRE DETECTION HARNESS IAW AMM 26-11-02-400-803. ACCOMPLISHED AN ENGINE FIRE DETECTION OPS TESTED IAW AMM 26-11-00-710-801. OPS CHECKED NORMAL.