What was found
"L VALVE" LIGHT ILLUMINATES WHEN WING ANTI ICE SWITCH IS ON. GROUNDED - YES. PERFORMED OPS CHK OF WING THERMAL ANTI ICE VALVE ON #1 ENGINE REF B737-9 AMM 30-11-11. OPS CHK GOOD, NO DEFECTS NOTED.
- Difficulty date
- May 13, 2022
- Submitted
- May 16, 2022
- Operation
- Air carrier
- Aircraft
- N929AK
- Make and model
- Boeing 7379
- Aircraft serial
- 43322
- Aircraft time
- 1,263 hours, 328 cycles
- System (JASC)
- 3010 · Airfoil Anti/De-ice System
- Part
- Anti-Ice System
- Part number
- UNKNOWN
- Condition
- Fault Message
- 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.