# SDR HNAA2026012300073

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2026
- Submitted: January 23, 2026
- Operation: Air carrier
- Aircraft: [N669MB](https://openairdocs.org/aircraft/N669MB), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145788
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Thermostat
- Part number: 81662413
- Part serial: 2016062422
- Condition: Faulted
- Location: Zone 100
- Part time: 11,125 hours, 12,479 cycles
- Stage of operation: CL
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2026012300073

## Discrepancy

RETURN TO FIELD - BLEED NR 1 LOW TEMP FOLLOWED BY PACK NR 1 & 2 FAILURE, STAB ANTI ICE AND ANTI ICE COND INOPERATIVE.   R & R THE NR 100 FAN AIR CONTROL THERMOSTAT IAW AMM 36-11-06. ENGINE RUN REQUIRED.  OPS CHECK GOOD IAW AMM 36-00-00-700-803-A LEAK CHECKED GOOD, ACFT OK FOR SERVICE.

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