# SDR HNAA2026072000598

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 18, 2026
- Submitted: July 20, 2026
- Operation: Air carrier
- Aircraft: [N646AE](https://openairdocs.org/aircraft/N646AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145213
- Aircraft time: 53,779 hours, 51,111 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Sensor
- Condition: Failed
- Location: Zone 400
- Stage of operation: CR
- 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/HNAA2026072000598

## Discrepancy

BLEED NR 2 OVERTEMP MESSAGE DISPLAYED, FOLLOWED QRH MESSAGE CLEARED.  REF 36-11-00-810-1 CMC MSG DUCT SENSOR FAIL W/ NO OTHER RELATED MESSAGES. R & R BLEED 2 OUTLET TEMP SENSOR IAW AMM 36-20-01 PERFORMED IDLE RUN IRT RUN UP CHECKLIST NO ABNORMAL TEMP READING NOTED FOR 15MIN AC OK FOR SERVICE AT THIS TIME.

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