# SDR 95ZZZX710

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N224TH
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B224
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Temp Control Vlv
- Part number: 7769022
- Condition: Failed
- Location: Left
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/95ZZZX710

## Discrepancy

AFTER TAKEOFF, LEFT DUCT OVER-TEMP LIGHT CAME ON.  THE AIRCRAFT RETURNED TO FIELD.  THROUGH TROUBLESHOOTING, DETERMINED LEFT DUAL TEMP CONTROL VALVE WAS THE PROBLEM.  THE VALVE WAS REPLACED AND A FUNCTIONAL CHECK OF THE SYSTEM PERFORMED WITH ALL INDICATIONS NORMAL.

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