# SDR GLBA20090524092

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 24, 2009
- Submitted: May 24, 2009
- Operation: Air carrier
- Aircraft: N173YV
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE173
- Aircraft time: 22,777 hours, 39,082 cycles
- System (JASC): [3600 · Pneumatic System](https://openairdocs.org/jasc/3600)
- Part: Sensor
- Condition: Dirty
- Stage of operation: TO
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GLBA20090524092

## Discrepancy

PILOTS REPORTED A STALL HEAT CAUTION ANNUNCIATOR WOULD NOT TURN OFF WITH THE SWITCH IN THE ON POSITION. MAINTENANCE CLEANED CONNECTIONS ON A1 & A2 STALL WARNING CURRENT SENSORS. FUNCTIONAL CHECKS WERE GOOD.

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