# SDR HNAA2021030700089

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 4, 2021
- Submitted: March 7, 2021
- Operation: Air carrier
- Aircraft: [N604AE](https://openairdocs.org/aircraft/N604AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145058
- Aircraft time: 50,494 hours, 44,158 cycles
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Relay
- Condition: Malfunctioned
- Location: Thrust Reversers
- Stage of operation: TO
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2021030700089

## Discrepancy

NR 1 ENGINE THRUST REVERSER DISAGREE MESSAGE ON TAKE OFF ROLL (C/W TASK 78-31-01-980-801-A).  REACTIVATED ICU AND REMOVED LOCK PINS. T/S E1 REV  DISAGREE MSG IAW FIM 78-34-00-810-803A. R&R'D RELAYS  KO641,K0397,AND K0323 IAW SWPM 20-13-02.   OPS CK OF TR GOOD. NO MESSAGES ON EICAS OR CMC. OK FOR SERVICE.

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