Service difficulty report · Fire Loop · Boeing 737890

Difficulty date
January 14, 2012
Submitted
January 18, 2012
Operation
Air carrier
Aircraft
N512AS
Make and model
Boeing 737890
Aircraft serial
39043
Aircraft time
12,774 hours, 4,093 cycles
Part
Fire Loop
Part number
322341
Condition
Defective
Location
Nr 2 Engine
Stage of operation
TX
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

FIRE TEST NR 2 DOES NOT WORK DURING PREFLIGHT (A SYSTEM). VERIFIED DISCREPANCY A LOOP ON NR 2 ENGINE INOP. PERFORMED BITE OF ENGINE/APU FDC MODULE. FOUND OPEN LOOP AT LOWER RT CORE. REPAIRED LUG REF 26 11 02. PERFORMED OPS CK REF 26 11 00. SYS CHECKS NML.