Service difficulty report · Fire Loop · Boeing 737890

Difficulty date
January 10, 2019
Submitted
January 11, 2019
Operation
Air carrier
Aircraft
N562AS
Make and model
Boeing 737890
Aircraft serial
35091
Aircraft time
47,051 hours, 14,012 cycles
Part
Fire Loop
Part number
90201801
Condition
Intermittent
Location
Nr 2 Engine
Stage of operation
IN
How discovered
O
Nature of condition
N
Precautionary procedure
K

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

What was found

FOLLOW-UP TO HISTORY OF NR 2 ENGINE LOOP "A" NOT TESTING PROPERLY. GROUNDED - YES. FOUND CORE SECTION, TOP RIGHT ELEMENT LUG NEEDING REPLACEMENT. REPLACED BOTH CORE ELEMENTS PRECAUTIONARY PER AMM 26-11-01/401. OP-CHECKS REQUIRED. REPLACED TOP RIGHT ELEMENT LUG AND M1760, ENG RIGHT CORE FIRE DETECTOR ASSY REF AMM 26-11-01-400-802, OPS NML REF AMM 26-11-00-710-801 & WDM 26-11-11.