What was found
NR 1 ENGINE GROUND WING TAI SOLENOID VALVE TEST FAILED STEP F(2)D). GROUNDED-YES. REMOVED AND REPLACED NR 1 ENGINE GROUND WING THERMAL ANTI-ICING SOLENOID VALVE, REF B737-900 AMM 30-11-12. OPERATIONS CHECK GOOD.
- Difficulty date
- October 15, 2020
- Submitted
- October 19, 2020
- Operation
- Air carrier
- Aircraft
- N431AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 43255
- Aircraft time
- 26,745 hours, 8,633 cycles
- System (JASC)
- 3010 · Airfoil Anti/De-ice System
- Part
- Solenoid
- Part number
- 3205482
- Part serial
- 1017
- Condition
- Failed
- Location
- #1 Engine
- Part time
- 8,812 hours, 3,102 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.