# SDR RAIA2009080600003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 28, 2009
- Submitted: August 6, 2009
- Operation: Air carrier
- Aircraft: [N806HK](https://openairdocs.org/aircraft/N806HK), registered now
- Make and model: Emb EMB-145EP
- Registry model: [EMB EMB-145EP](https://openairdocs.org/model/embraer-emb-145ep) (OpenAirDocs)
- Aircraft serial: 145112
- Aircraft time: 24,028 hours, 222,684 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Cooling Fan
- Condition: Out Of Adjust
- Location: Ahrs
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/RAIA2009080600003

## Discrepancy

CREW REPORTED THAT DURING CRUISE, RECEIVED AN AHRS 1 OVERHEAT MESSAGE ON THE EICAS.  MAINTENANCE PERFORMED AN ADJUSTMENT AND TEST OF THE AHRS COOLING FAN.  NO DEFECTS WERE NOTED.

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