Service difficulty report · Detector · Boeing 737890

Difficulty date
July 5, 2022
Submitted
July 18, 2022
Operation
Air carrier
Aircraft
N531AS
Make and model
Boeing 737890
Aircraft serial
35199
Aircraft time
42,867 hours, 12,387 cycles
Part
Detector
Part number
902864
Condition
Failed
Location
#2 Engine
Stage of operation
NR
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

#2 FIRE TEST LIGHT DOES NOT ILLUMINATE ON THE "B" LOOP. GROUNDED - YES. REMOVED AND REPLACED #2 ENG UPPER FAN DETECTOR ASSY AND OPS CKS NML IAW B737-800 AMM 26-11-01.