# SDR 20001026SH029

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2000
- Submitted: October 26, 2000
- Operation: Air carrier
- Aircraft: [N261AS](https://openairdocs.org/aircraft/N261AS), registered now
- Make and model: Emb EMB-120RT
- Registry model: [EMB EMB-120RT](https://openairdocs.org/model/embraer-emb-120rt) (OpenAirDocs)
- Aircraft serial: 120141
- System (JASC): [5411 · Nacelle/Pylon, Frame/Spar/Rib](https://openairdocs.org/jasc/5411)
- Part: Frame
- Part number: 12038765604
- 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/20001026SH029

## Discrepancy

DURING C-CHECK INSPECTION, THE NR 2 ENGINE NR 1 FRAME WAS FOUND CRACKED IN THE UPPER INBOARD TORQUE TUBE MOUNT WEB.  POSSIBLE CAUSE:  FATIGUE FROM ENGINE TORQUE.  (X)

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