# SDR AU970115

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 19, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Lear 31A
- Registry model: [Lear 31A](https://openairdocs.org/model/learjet-31a) (OpenAirDocs)
- Engine: Garrtt TFE73123B
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Gasket
- Part number: 67184
- Condition: Failed
- Location: Engine Bleed Air
- Component: Lear, 31A
- Stage of operation: CL
- Nature of condition: B, J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AU970115

## Discrepancy

(AUS) ENGINE TO PYLON BLEED AIR DUCT GASKET BLOWN OUT AND TWO DUCT SECURING NUTS MISSING (BOLTS INTACT) - SUSPECT BOLTS NOT TORQUED DURING ENGINE INSTALLATION - PERSONNEL/MAINTENANCE ERROR

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