# SDR 2002F01064

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2002
- Submitted: December 5, 2002
- Operation: Air carrier
- Aircraft: N556TZ
- Make and model: Boeing 757-33N
- Registry model: [Boeing 757-33N](https://openairdocs.org/model/boeing-757-33n) (OpenAirDocs)
- Aircraft serial: 32590
- Aircraft time: 896 hours, 388 cycles
- Engine: Rroyce RB211535E4
- Engine time: 896 hours, 388 cycles
- System (JASC): [7510 · Engine Anti-Icing System](https://openairdocs.org/jasc/7510)
- Part: Valve
- Part number: 7646B000
- Part serial: 42110510
- Condition: Inoperative
- Location: Lt Engine
- Part time: 896 hours, 388 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2002F01064

## Discrepancy

DURING DESCENT LT ENGINE ANTI-ICE VALVE STUCK CLOSED. MAINTENANCE REMOVED AND REPLACED LT ENGINE ANTI-ICE VALVE. OPERATIONAL CHECKS GOOD IAW MM.

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