# SDR HNAA2021030200067

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 1, 2021
- Submitted: March 2, 2021
- Operation: Air carrier
- Aircraft: [N652RS](https://openairdocs.org/aircraft/N652RS), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145432
- Aircraft time: 44,978 hours, 41,285 cycles
- System (JASC): [3150 · Central Warning](https://openairdocs.org/jasc/3150)
- Part: Warning System
- Condition: Malfunctioned
- Stage of operation: TO
- How discovered: O
- Nature of condition: N
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2021030200067

## Discrepancy

PDIS  652     31-50  2379262  01MAR21  CLT  CLOSE.  DURING T/O ROLL AT ABOUT 40 KTS, GPWS, TCAS, TERRAIN INOP EICAS MESSAGES WITH TAKEOFF CONFIG WARNING WITH NO RELATED AURAL WARNING. FACT  02MAR21  09:27  CLT  R&R AURAL WARNING UNIT IAW AMM 31-51-400-801-A OPS CHECK IAW 31-51-00-700-801-A.

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