# SDR ASAA2018122417525

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 21, 2018
- Submitted: December 24, 2018
- Operation: Air carrier
- Aircraft: [N586AS](https://openairdocs.org/aircraft/N586AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35189
- Aircraft time: 42,721 hours, 13,050 cycles
- Engine: Cfmint CFM567B27B1
- System (JASC): [7510 · Engine Anti-Icing System](https://openairdocs.org/jasc/7510)
- Part: Anti-Ice Valve
- Part number: 32156184
- Part serial: 6545
- Condition: Intermittent
- Location: Nr 2 Engine
- Part time: 35,403 hours, 10,741 cycles
- Stage of operation: TX
- 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/ASAA2018122417525

## Discrepancy

ENG #2 ANTI ICE VALVE FAILED CLOSED. GROUNDED - YES. FOUND #2 ENG COWL ANTI-ICE VALVE STICKING INTERMITTENT THROUGH CLOSE/OPEN CYCLE. REMOVED AND REPLACED #2 ENG COWL ANTI-ICE (TAI) VALVE PER B737-800 AMM 30-21-11. OPS CHECK AND LEAK CHECK GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.