# SDR AU990430022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 19, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Piper PA-31T
- Registry model: [Piper PA-31T](https://openairdocs.org/model/piper-pa-31t) (OpenAirDocs)
- Engine: Pwa PT6A28
- System (JASC): [7260 · Turbine Engine Accessory Drive](https://openairdocs.org/jasc/7260)
- Part: Housing
- Part number: 3013515
- Condition: Cracked
- Location: Gearbox
- Component: Pwa
- Stage of operation: IN
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AU990430022

## Discrepancy

(AU) DURING PRE-FLIGHT, A SMALL OIL LEAK WAS DISCOVERED ON NR 2 ENGINE.  FURTHER INSPECTION FOUND A 2 INCH  CRACK IN THE ACCESSORY GEARBOX HOUSING.  THE CRACK IS IN THE BODY OF THE HOUSING, ADJACENT TO THE ACCESSORY DRIVE PAD.  THIS IS THE AIR CONDITIONING PAD.

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