# SDR CA120918005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 10, 2012
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Aerosp ATR 72-212A
- Registry model: [Aerosp ATR 72-212A](https://openairdocs.org/model/aerospatiale-atr-72-212a) (OpenAirDocs)
- Engine: Pwa PW127
- System (JASC): [7930 · Engine Oil Indicating System](https://openairdocs.org/jasc/7930)
- Part: Oil System
- Condition: Pressure Loss
- Location: Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA120918005

## Discrepancy

(CAN) DURING FLIGHT, THE ENGINE LOST POWER AND OIL PRESSURE, LEADING TO AN IFSD. AN UNEVENTFUL SINGLE ENGINE LANDING FOLLOWED.  POST FLIGHT INSPECTION FOUND 2 LARGE GEAR TOOTH FRAGMENTS ON THE TURBOMACHINE CHIP DETECTOR AND THE NR 3 & NR 4 BEARING VENT LINE SHEARED WHERE IT MOUNTS TO THE ANGLE DRIVE GEARBOX.  ENGINE WILL BE REMOVED AND SENT FOR INVESTIGATION AND REPAIRS.

---
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.