# SDR ASAA2020033132579

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 30, 2020
- Submitted: March 31, 2020
- Operation: Air carrier
- Aircraft: [N423AS](https://openairdocs.org/aircraft/N423AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 35206
- Aircraft time: 27,467 hours, 8,812 cycles
- System (JASC): [3020 · Air Intake Anti/De-Ice System](https://openairdocs.org/jasc/3020)
- Part: Anti-Ice Valve
- Part number: 332A239048
- Condition: Gouged
- Location: Nr 2 Engine
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2020033132579

## Discrepancy

REF T/C 78472000 #2 ENG INLET AND FAN BLADES DETAILED INSP. FOUND TAI VALVE FWD DUCT R/H MOUNT AFT LOBE GOUGED FROM ROD ENDOF TURNBUCKLE. (M) ALF. GROUNDED - YES. REPLACED #2 ENG TAI VALVE REF B737-900 AMM 30-21-11.

---
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.