What was found
PASSING FL 180, HAD A LEFT COWL ANTI-ICE LIGHT. AFTER RUNNING QRH, LIGHT WENT OUT. REDUCED PWR FROM 97 N1 TO 95 N1 LIGHT WENT OUT. GROUNDED - YES. REMOVED AND REPLACED #1 ENG COWL ANTI-ICE VALVE PER B737-900 AMM 30-21-11.
- Difficulty date
- December 26, 2022
- Submitted
- December 28, 2022
- Operation
- Air carrier
- Aircraft
- N468AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41735
- Aircraft time
- 31,376 hours, 9,939 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7510 · Engine Anti-Icing System
- Part
- Anti-Ice Valve
- Part number
- 32156184
- Part serial
- 3305
- Condition
- Faulted
- Location
- Nr 1 Engine
- Part time
- 24 hours, 8 cycles
- Stage of operation
- CL
- 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.