Service difficulty report · Sensor · Boeing 737990ER

Difficulty date
January 12, 2014
Submitted
January 14, 2014
Operation
Air carrier
Aircraft
N408AS
Make and model
Boeing 737990ER
Aircraft serial
41732
Aircraft time
4,328 hours, 1,376 cycles
Part
Sensor
Part number
38762231
Condition
Fault Message
Location
Apu Speed
Stage of operation
IN
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

FOUND APU CURRENT FAULT 49-61259 MESSAGE. ACFT GROUNDED. REPLACED SPEED SENSOR REF. AMM 49-61-21-000-801 AND 49-61-21-400-801. OPS INSTALLATION TEST AND LEAKS CHK GOOD.