# SDR ASAA2021071235354

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 12, 2021
- Submitted: July 13, 2021
- Operation: Air carrier
- Aircraft: [N506AS](https://openairdocs.org/aircraft/N506AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35690
- Aircraft time: 47,688 hours, 14,432 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7510 · Engine Anti-Icing System](https://openairdocs.org/jasc/7510)
- Part: Solenoid
- Part number: 3205482
- Part serial: 20848
- Condition: Malfunctioned
- Location: Anti-Ice Valve
- Part time: 27,658 hours, 8,642 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021071235354

## Discrepancy

WHILE PERFORMING TEST 30-11-12-710-801 FOUND THE #1 ENG TAI VALVE CLICKING. GROUNDED - YES. REMOVED AND REPLACED THE #1 ENGINE TAI VALVE IAW B737-800 AMM 30-11-12-00-400-801. OPS AND LEAK TEST 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.