Service difficulty report · Fire Detector · Boeing 737990ER

Difficulty date
March 18, 2023
Submitted
March 22, 2023
Operation
Air carrier
Aircraft
N419AS
Make and model
Boeing 737990ER
Aircraft serial
41734
Aircraft time
37,096 hours, 11,762 cycles
Part
Fire Detector
Part number
90201601
Condition
Faulted
Location
Nr 2 Engine
Stage of operation
NR
How discovered
V
Nature of condition
J
Precautionary procedure
K

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

What was found

ENGINE # 2 ENGINE FIRE / OVERHEAT DETECTION LOOP A INOP. GROUNDED - YES. REMOVED AND REPLACED #2 ENG LOWER OVERHEAT DETECTION LOOP A. REF B737-900 AMM 26-11-01/401.