What was found
RIGHT WING ANTI-ICE VALVE FAILED IN THE CLOSED POSITION. GROUNDED - YES. REMOVED AND REPLACED RIGHT WING THERMAL ANTI ICING SHUTOFF VALVE REF B737-800 AMM 30-11-11. OPS AND LEAK CHECK GOOD. ETOPS GROUND VERIFICATION SUCCESSFUL.
- Difficulty date
- November 1, 2022
- Submitted
- November 2, 2022
- Operation
- Air carrier
- Aircraft
- N587AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35684
- Aircraft time
- 53,408 hours, 15,551 cycles
- System (JASC)
- 3010 · Airfoil Anti/De-ice System
- Part
- Anti-Ice Valve
- Part number
- 672906002
- Part serial
- 11891033
- Condition
- Failed
- Location
- Right Wing
- Part time
- 3,944 hours, 1,201 cycles
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.