Service difficulty report · Fire Loop · Boeing 737890

Difficulty date
August 4, 2009
Submitted
August 10, 2009
Operation
Air carrier
Aircraft
N570AS
Make and model
Boeing 737890
Aircraft serial
35185
Aircraft time
9,727 hours, 2,792 cycles
Part
Fire Loop
Part number
90202001
Condition
Faulty
Location
Apu
Stage of operation
NR
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

APU DET INOP LIGHT ILLUMINATED INFLIGHT APU WAS OFF. DUPLICATED DEFECT FIRE DETECTION MODULE FAULTED APU TAILPIPE LOOP REPLACED IAW MM 26 15 01, GROUND VERIFICATION TESTS PASS.