What was found
LEFT ENGINE ANTI-ICE VALVE WILL NOT OPEN. BRIGHT BLUE DISAGREE LIGHT ILLUMINATED WHEN SELECTED ON. GROUNDED - YES. PERFORMED B737-800 FIM 30-21 TASK 805 #1 COWL ANTI ICE TROUBLESHOOTING. VALVE OPS CHECK GOOD.
- Difficulty date
- April 4, 2021
- Submitted
- April 6, 2021
- Operation
- Air carrier
- Aircraft
- N565AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35181
- Aircraft time
- 53,254 hours, 15,907 cycles
- Engine
- Cfmint CFM567B27
- System (JASC)
- 7510 · Engine Anti-Icing System
- Part
- Anti-Ice Valve
- Condition
- Malfunctioned
- Location
- Lt Engine
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.