# SDR 2005FA0001260

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 22, 2005
- Submitted: September 7, 2005
- Operation: General aviation
- Aircraft: [N7546F](https://openairdocs.org/aircraft/N7546F), registered now
- Make and model: Bbavia 7KCAB
- Aircraft serial: 28770
- Engine: Lyc IO320*
- System (JASC): [8550 · Reciprocating Engine Oil System](https://openairdocs.org/jasc/8550)
- Part: B-Nut
- Condition: Loose
- Location: Crankcase
- Stage of operation: NR
- How discovered: 9
- Nature of condition: K
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2005FA0001260

## Discrepancy

ENGINE OIL PRESSURE LINE B-NUT AT GEAR CASE LOST TORQUE AND THE ENGINE LOST ALL OIL.  LACK OF LUBRICATION CAUSED FAILURE OF THE NR2 CONNECTING ROD BEARING.  (K)

---
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.