# SDR AWXA960375

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N141AW](https://openairdocs.org/aircraft/N141AW), registered now
- Make and model: Boeing 737-2M8
- Registry model: [Boeing 737-2M8](https://openairdocs.org/model/boeing-737-2m8) (OpenAirDocs)
- Aircraft serial: 21955
- Engine: Pwa JT8D15
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Turbine Blade
- Part number: 834401
- Condition: Failed
- Location: Nr 1 Engine
- Part time: 5,126 hours
- Stage of operation: CL
- Nature of condition: E, Y
- Precautionary procedure: A, E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AWXA960375

## Discrepancy

LAS - FLT 2976 - AIR TURN BACK, AT CLIMB POWER FL 200 NR 1 ENGINE COMMENCED SEVERE VIBRATIONS.  ALL ENGINE INDICATIONS NORMAL.  RETARDED THRUST LEVER.  VIBRATIONS CONTINUED.  SHUTDOWN ENGINE IAW QRH.  RETURNED LAS.  FOUND TURBINE WHEEL BLADES MISSING MATERIAL.  REMOVED AND REPLACED NR 1 ENGINE.  TEARDOWN FOUND NR 1 HIGH PRESSURE TURBINE BLADE FAILED DUE TO AN INTERNAL CASTING DEFECT KNOWN AS A COLD SHUT.  (M)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.