# SDR ASAA2022122641260

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 26, 2022
- Submitted: December 28, 2022
- Operation: Air carrier
- Aircraft: [N468AS](https://openairdocs.org/aircraft/N468AS), registered now
- 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](https://openairdocs.org/jasc/7510)
- 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
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022122641260

## Discrepancy

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.

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