What was found
WING ANTI-ICE= R VALVE= ILLUMINATED WITH SWITCH ON- EXTINGUISHED WITH SWITCH OFF. VALVE FAILED TO OPEN. GROUNDED - YES. REMOVED AND REPLACED RH WING THERMAL ANTI-ICE VALVE REF B737-9 AMM 30-11-11.
- Difficulty date
- March 3, 2023
- Submitted
- March 6, 2023
- Operation
- Air carrier
- Aircraft
- N975AK
- Make and model
- Boeing 7379
- Aircraft serial
- 64960
- Aircraft time
- 3,231 hours, 953 cycles
- System (JASC)
- 3010 · Airfoil Anti/De-ice System
- Part
- Valve
- Part number
- 632160682
- Part serial
- 1045
- Condition
- Failed
- Location
- Right Wing
- Part time
- 3,251 hours, 960 cycles
- Stage of operation
- NR
- 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.