# SDR IPXA2024122093310

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 19, 2024
- Submitted: December 20, 2024
- Operation: Air carrier
- Aircraft: [N446UP](https://openairdocs.org/aircraft/N446UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 27735
- Aircraft time: 37,678 hours, 20,517 cycles
- Engine: Rroyce RB211535E4
- System (JASC): [7510 · Engine Anti-Icing System](https://openairdocs.org/jasc/7510)
- Part: Anti-Ice Valve
- Condition: Faulted
- Location: Rt Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2024122093310

## Discrepancy

**EMERGENCY DECLARED**AFTER TAKE OFF ,STATUS MESSAGE R ENG  TAI VALVE  CAME ON AND STAYED ON VERIFIED DMP IS C/W PER MEL 30-21-1-1

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