# SDR HNAA2025070300463

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 2, 2025
- Submitted: July 3, 2025
- Operation: Air carrier
- Aircraft: [N686AE](https://openairdocs.org/aircraft/N686AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500843
- Aircraft time: 45,795 hours, 43,202 cycles
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Icu
- Part number: TY204103A
- Part serial: 1620
- Condition: Failed
- Location: Zone 400
- Part time: 45,800 hours, 43,210 cycles
- 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/HNAA2025070300463

## Discrepancy

E1 REV DISAGREE ON T/O ROLL   FACT  02JUL25  05:28  ROA   FOUND MESSAGE "ENG1 T/R ICU FAIL" ON CMC. R/R'D #100 ICU PER AMM 78-33-01. PERFORMED ICU OPS CHECK PER AMM TASK 78-33-01-700-801-A/500. OPS CHECK GOOD

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