What was found
ENGINE NR 1 COWL VALVE OPEN LIGHT WILL NOT CLOSE/STAYS BRIGHT BLUE IN OFF POSITION. GROUNDED-YES. REMOVED AND REPLACED INLET COWL THERMAL ANTI-ICE VALVE, IAW B737-800 AMM 30-21-11. OPERATIONS CHECK GOOD.
- Difficulty date
- December 17, 2020
- Submitted
- December 22, 2020
- Operation
- Air carrier
- Aircraft
- N569AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35184
- Aircraft time
- 50,477 hours, 15,293 cycles
- System (JASC)
- 7510 · Engine Anti-Icing System
- Part
- Anti-Ice Valve
- Part number
- 32156185
- Part serial
- 9809
- Condition
- Stuck
- Location
- Nr 1 Engine
- Part time
- 20,971 hours, 6,713 cycles
- 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.