What was found
AC FAILS 30 DAY IN-USE CHECK DUE TO AILERON POS SENSOR FAILING TEST. MSG 22-11146 AND MSG 22-11145. GROUNDED - YES. REMOVED AND REPLACED AILERON POS SENSOR REF AMM 22-11-29. OPS NORMAL.
- Difficulty date
- July 21, 2018
- Submitted
- July 23, 2018
- Operation
- Air carrier
- Aircraft
- N464AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 40714
- Aircraft time
- 16,999 hours, 5,543 cycles
- System (JASC)
- 2710 · Aileron Control System
- Part
- Sensor
- Part number
- H504C
- Part serial
- 116733
- Condition
- Failed
- Location
- Aileron
- Part time
- 16,993 hours, 5,541 cycles
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.