# SDR AMTA200700196

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2007
- Submitted: May 1, 2007
- Operation: Air carrier
- Aircraft: N552TZ
- Make and model: Boeing 757-33N
- Registry model: [Boeing 757-33N](https://openairdocs.org/model/boeing-757-33n) (OpenAirDocs)
- Aircraft serial: 32586
- Engine: Rroyce RB211535E4
- System (JASC): [3020 · Air Intake Anti/De-Ice System](https://openairdocs.org/jasc/3020)
- Part: Anti-Ice Valve
- Part number: 7646B000
- Part serial: 4078411
- Condition: Malfunctioned
- Location: Rt Engine
- Part time: 12,969 hours, 3,850 cycles
- Stage of operation: TX
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AMTA200700196

## Discrepancy

RT ENG ANTI-ICE VALVE SLOW TO OPEN.  VALVE OPENED WHEN SWITCH RECYCLED.  REPLACED RT ENGINE INLET THERMAL ANTI-ICE VALVE IAW MM 30-21-03.  OPS CHECK NORMAL.  (K)

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