# SDR SIMA20171215012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 15, 2017
- Submitted: December 18, 2017
- Operation: Air carrier
- Aircraft: [N933JN](https://openairdocs.org/aircraft/N933JN), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500918
- Aircraft time: 31,597 hours, 27,023 cycles
- System (JASC): [3010 · Airfoil Anti/De-ice System](https://openairdocs.org/jasc/3010)
- Part: Thermostat
- Condition: Malfunctioned
- Location: Anti-Ice System
- Stage of operation: DE
- 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/SIMA20171215012

## Discrepancy

DURING DECENT/ APPROACH INTO TO ORD 1ST "STAB A/ICE FAIL CAUTION ON EICAS THEN ICE COND  A/I INOP WARNING ON EICAS PUT THE OVERRIDE SWITCH IN ALL POSITION AND  MSGS WENT  AWAY  BUT STILL HAD  "BLD 1 LOW TEMP CAUTION DUE TO LOW THRUST SETTING “TRANSFERRED TO NRWC 933-ORD-02923". FOUND EICAS MSG BLD 1 LOW TEMP CAUTION TROUBLESHOOTING USING FIM 36-11-00-810-801-A FOUND CLOGGED THERMOSTAT AND RESTRICTOR. R&R THERMOSTAT AND RESTRICTOR IAW AMM 36-11-06.OPS CHECK GOOD IAW 36-00-00.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.