# SDR AALA20130822007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 22, 2013
- Submitted: August 26, 2013
- Operation: Air carrier
- Aircraft: [N933AN](https://openairdocs.org/aircraft/N933AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30080
- Aircraft time: 39,624 hours, 16,216 cycles
- System (JASC): [3412 · Outside Air Temperature Indicator/Sensor](https://openairdocs.org/jasc/3412)
- Part: Tat Probe
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: CR
- How discovered: O
- Nature of condition: S
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20130822007

## Discrepancy

DFW    INFLIGHT ORD-MEX. CREW REPORTED LOSS OF VERTICAL FUNCTION OF AUTO PILOT & V NAV INOPERATIVE.  FLIGHT DIVERTED DFW LANDED WITHOUT INCIDENT.  AIRCRAFT REMOVED FROM SERVICE.   REPLACED TOTAL AIR TEMPERATURE PROBE. SYSTEM GROUND CHECKED NORMAL OPERATION CLOSED.

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