Service difficulty report · Sensor · Boeing 737990ER

Difficulty date
August 5, 2016
Submitted
August 8, 2016
Operation
Air carrier
Aircraft
N459AS
Make and model
Boeing 737990ER
Aircraft serial
36352
Aircraft time
9,602 hours, 3,114 cycles
Part
Sensor
Part number
MS280341
Condition
Faulty
Location
Apu Inlet
Stage of operation
NR
How discovered
O
Nature of condition
N
Precautionary procedure
K

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

What was found

AMBER FAULT LIGHT ILLUMINATES WHEN APU IS SHUTDOWN. LIGHT EXTINGUISHES AFTER 2 MINUTES. ACFT GROUNDED. FOUND CURRENT FAULT 49-61223 FOR LAST 4 STARTS. REPLACED INLET TEMP SENSOR REF FIM TASK 49-60-812 & AMM 49-61-31. OPS CK GOOD. NO CURRENT FAULTS. THIS CLEARS MEL 49-1B.