What was found
WING ANTI-ICE LEFT VALVE LIGHT ON CONTINUOUSLY WHEN WING ANTI ICE SWITCH ON. GROUNDED - YES. PERFORMED TEST OF WAI PER B737-9 AMM 30-11-11-710-801 OPS CHECK NORMAL LEFT WAI VALVE LANYARD VERIFIED CORRECT INSTALLATION.
- Difficulty date
- January 27, 2023
- Submitted
- January 31, 2023
- Operation
- Air carrier
- Aircraft
- N946AK
- Make and model
- Boeing 7379
- Aircraft serial
- 44085
- Aircraft time
- 941 hours, 260 cycles
- System (JASC)
- 3150 · Central Warning
- Part
- Warning Light
- Condition
- False Activation
- Location
- Anti-Ice Valve
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.