# SDR RAIA2010022100001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 21, 2010
- Submitted: February 24, 2010
- Operation: Air carrier
- Aircraft: [N842HK](https://openairdocs.org/aircraft/N842HK), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500830
- Aircraft time: 14,603 hours, 13,370 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Thermostat
- Part number: 8166248
- Part serial: 9906019
- Condition: Malfunctioned
- Location: Bleed Air Sys
- Stage of operation: CL
- 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/RAIA2010022100001

## Discrepancy

CREW REPORTED RECEIVING A BLD 2 OVERTEMP AND A BLD 1 UNDERTEMP INDICATION ON THE EICAS.  MAINTENANCE REMOVED AND REPLACED THE NR 2 FAN AIR VALVE THERMOSTAT AND PERFORMED AN OPERATIONAL CHECK OF THE NR 1 AND NR 2 BLEED SYSTEMS WITH NO DEFECTS NOTED.

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