SDR ASAA2020021982207

Service difficulty report · Fire Loop · Boeing 737890

Difficulty date: February 18, 2020
Submitted: February 20, 2020
Operation: Air carrier
Aircraft: N535AS
Make and model: Boeing 737890
Aircraft serial: 35200
Aircraft time: 35,424 hours, 10,227 cycles
System (JASC): 2612 · Fire Detection
Part: Fire Loop
Condition: No Test
Location: Nr 1 Engine
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

#1 ENGINE A FIRE LOOP DOES NOT TEST. GROUNDED - YES. ACCOMPLISHED ENGINE FIRE DETECTION OPERATIONAL TEST B737-800 AMM TASK 26-11-00-710-801. OPS CK GOOD. ACCOMPLISHED GVI OF FAN & CORE FIRE LOOPS. NO DEFECTS NOTED. RE-ACCOMPLISHED ENGINE FIRE DETECTION OPERATIONAL TEST. OPS CK GOOD.