# SDR HNAA2023112100432

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 20, 2023
- Submitted: November 21, 2023
- Operation: Air carrier
- Aircraft: [N657AE](https://openairdocs.org/aircraft/N657AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145744
- Aircraft time: 45,810 hours, 41,369 cycles
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: TO
- How discovered: V
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2023112100432

## Discrepancy

ON TAKE OFF ROLL AFTER POWER LEVER FULLY ADVANCED FOR 2 SEC EICAS DISPLAYED E2 T/R DISAGREE. CREW REPORTED TR DID NOT DEPLOY. AND MESSAGE EXTINGUISHED AFTER THROTTLE PULLED BACK. CMC DISPLAYED E2 T/R ICU VALVE FAIL. MEL   20NOV23  23:06  CLT  C32411  78-2 ENG 1(2) REV DISAGREE MESS.  RE-ACTIVATED #2 T/R IAW AMM TASK 78-31-01-980-801-A. R/R'D #2 ICU IAW AMM 78-33-01-04. OPS CHECKS & LEAK CHECKS GOOD. NO RELATED EICAS OR CMC MESSAGES NOTED AT THIS TIME. CLEAR MEL 78-2.

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