What was found
L VALVE CAUTION LIGHT ILLUMINATED WITH WING ANTI-ICE SWITCH IN ON POSITION. GROUNDED - YES. PERFORMED B737-9 FIM TASK 30-11-00-820-808 SYSTEM CHECK NORMAL, LEFT WING ANTI-ICE VALVE OFF AFTER TRANSITION.
- Difficulty date
- March 18, 2023
- Submitted
- March 20, 2023
- Operation
- Air carrier
- Aircraft
- N949AK
- Make and model
- Boeing 7379
- Aircraft serial
- 43356
- Aircraft time
- 1,576 hours, 447 cycles
- System (JASC)
- 3010 · Airfoil Anti/De-ice System
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- 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.