# SDR 20000828SH028

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 9, 2000
- Submitted: August 28, 2000
- Operation: Air carrier
- Aircraft: [N257AS](https://openairdocs.org/aircraft/N257AS), registered now
- Make and model: Emb EMB-120RT
- Registry model: [EMB EMB-120RT](https://openairdocs.org/model/embraer-emb-120rt) (OpenAirDocs)
- Aircraft serial: 120126
- System (JASC): [5411 · Nacelle/Pylon, Frame/Spar/Rib](https://openairdocs.org/jasc/5411)
- Part: Frame
- Part number: 12038765603
- Condition: Cracked
- Location: Engine Nacelle
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/20000828SH028

## Discrepancy

DURING C-CHECK INSPECTION, THE NR 1 ENGINE FRAME WAS FOUND CRACKED IN THE UPPER INBOARD TORQUE TUBE MOUNT WEB.  POSSIBLE CAUSE, FATIGUE FROM ENGINE TORQUE.  (X)

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