# SDR HYIA20150911001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 20, 2015
- Submitted: September 11, 2015
- Operation: Air carrier
- Aircraft: [N401SX](https://openairdocs.org/aircraft/N401SX), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: 402C0447
- Aircraft time: 17,802 hours, 1,721 cycles
- Engine: Cont TSIO520VB
- System (JASC): [8550 · Reciprocating Engine Oil System](https://openairdocs.org/jasc/8550)
- Part: Bolt
- Condition: Severed
- Location: Rt Engine
- Component: Engine, Cont, TSIO520VB
- Component part number: TSIO520VB
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HYIA20150911001

## Discrepancy

ON PREFLIGHT, PILOT REPORTED THE RT NACELLE, LG, FLAP & WING WERE OIL SOAKED & PUDDLES OF OIL UNDER THE WING.  INSPECTED & FOUND THE SCAVENGE PUMP DRIVE GEAR BOLTS SEVERED.  REPLACED THE RT ENG WITH NO FURTHER DEFECT NOTED.  ENG WAS SENT OUT FOR TEAR DOWN.

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