Service difficulty report · Position Sensor · Boeing 737990ER

Difficulty date
October 4, 2022
Submitted
October 26, 2022
Operation
Air carrier
Aircraft
N487AS
Make and model
Boeing 737990ER
Aircraft serial
44108
Aircraft time
25,765 hours, 7,949 cycles
Part
Position Sensor
Part number
UNKNOWN
Condition
False Indication
Location
Unknown
Stage of operation
IN
How discovered
V
Nature of condition
J
Precautionary procedure
K

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

What was found

LAND VERIFY FAILED. MSG 22-11145 CHANNEL A&B AILERON POSITION SENSOR. GROUNDED - YES. ACCOMPLISHED AILERON POSITION SENSOR TEST REF B737-900 AMM 22-11-29 TEST PASS FOR CHANNELS A & B ACCOMPLISH AND VERIFY TEST REF AMM 22-11-00 TEST POSITIVE NO HISTORY PAST 30 DAYS.