What was found
WING THERMAL ANTI ICE VALVE FAILED. GROUNDED - YES. REPLACED WING TAI. ALL OPS NML REF B737-800 MM 30-11-12. GROUND VERIFICATION SATISFACTORY. SEAMC ETOPS MIKE NOTIFIED.
- Difficulty date
- December 2, 2021
- Submitted
- December 4, 2021
- Operation
- Air carrier
- Aircraft
- N534AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35202
- Aircraft time
- 41,160 hours, 11,735 cycles
- System (JASC)
- 3000 · Ice/Rain Protection System
- Part
- Solenoid
- Part number
- 3205482
- Part serial
- 11454
- Condition
- Failed
- Location
- #1 Engine
- Part time
- 39,128 hours, 11,242 cycles
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.