# SDR IPXA2019082105839

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 19, 2019
- Submitted: August 21, 2019
- Operation: Air carrier
- Aircraft: [N473UP](https://openairdocs.org/aircraft/N473UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 28846
- Aircraft time: 20,035 hours, 13,512 cycles
- System (JASC): [3412 · Outside Air Temperature Indicator/Sensor](https://openairdocs.org/jasc/3412)
- Part: Probe
- Condition: Malfunctioned
- Location: Tat
- Stage of operation: CL
- 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/IPXA2019082105839

## Discrepancy

INSPECTION TYPE:N/AAIR TURN BACK - AFTER T.O. "TAT PROBE" EICAS MESSAGE CAME ON ALONG W/TAT LIGHT.REPLACED TAT PROBE, REF MM 34-12-02. OPS CK GOOD, NO EICAS MSG PRESENT.  AIRCRAFT OK FOR SERVICE.

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