Service difficulty report · Fire Loop · Boeing 737890

Difficulty date
October 18, 2013
Submitted
October 21, 2013
Operation
Air carrier
Aircraft
N518AS
Make and model
Boeing 737890
Aircraft serial
35693
Aircraft time
18,287 hours, 5,500 cycles
Part
Fire Loop
Part number
S332T10044
Condition
Failed
Location
Nr 2 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

NR 2 FIRE WARNING SWITCH WILL NOT ILLUMINATE DURING FIRE PROTECTION SYS TEST, DURING PREFLIGHT. ACFT GROUNDED. REPLACED NR 2 ENGINE UPPER FAN LOOP, AMM 26-10-00. TESTS GOOD, AMM 26-11-00.