# SDR ASAA2020121533696

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 15, 2020
- Submitted: December 18, 2020
- Operation: Air carrier
- Aircraft: [N508AS](https://openairdocs.org/aircraft/N508AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35691
- Aircraft time: 45,253 hours, 13,427 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7510 · Engine Anti-Icing System](https://openairdocs.org/jasc/7510)
- Part: Anti-Ice Valve
- Condition: Stuck
- Location: Nr 2 Engine
- Stage of operation: NR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2020121533696

## Discrepancy

RIGHT COWL ANTI-ICE VALVE STUCK IN OPEN POSITION.  GROUNDED-YES.  RAN NR 2 ENGINE, CYCLED NR 2 COWL ANTI-ICE VALVE.  OPERATIONS NORMAL, REF B737-800 AMM 30-21-00-710-801.  OK FOR SERVICE.

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