# SDR HNAA2025081100537

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 10, 2025
- Submitted: August 11, 2025
- Operation: Air carrier
- Aircraft: [N641AE](https://openairdocs.org/aircraft/N641AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145191
- Aircraft time: 55,158 hours, 52,763 cycles
- System (JASC): [3412 · Outside Air Temperature Indicator/Sensor](https://openairdocs.org/jasc/3412)
- Part: Relay
- Condition: Failed
- Location: Tat
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2025081100537

## Discrepancy

ON TAKE OFF ROLL TAT 2 HEAT INOP, E1-2 IDLE  STOP FAIL AND NO TAKE OFF CONFIG MSGS DISPLAYED ON EICAS. NO AURAL MSG DENOTED WITH NO TAKE OFF CONFIG MSG. TAT 2 HEAT INOP AND E 1-2 IDLE STOP FAIL MSGS INTERMITTENT ON TAXI BACK TO GATE.   FACT  10AUG25  04:02  PHL   R/R RELAY K0212 ASREQUIRED. NO FIX FURTHER T/S REQUIRED. R/R TAT CURRENT SENSOR IRW AMM 30-33-01 HIGH POWER RUN UP AND TAXI PERFORMED WITH NO DEFECTS OR INTERMITTENT DEFECTS NOTED. A/C OK FOR SERVICE.

---
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.