# Incident 20070402004809I: Skrsky S58J, Rumson, NJ, April 2, 2007

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: April 2, 2007, 16:31 local time
- Place: Rumson, NJ
- Phase of flight: Normal Cruise
- Operating rules: General operating rules (Part 91)
- Operator: UHOA
- Location: 40.3621° N, 74.0045° W: Placed by OpenAirDocs: center of Rumson, NJ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.3621&lon=-74.0045&mi=10
- Aircraft: N58HU, registered now (https://openairdocs.org/aircraft/N58HU) (OpenAirDocs)
- Registry model: Sikorsky S-58J (registry code 8141814, https://openairdocs.org/model/sikorsky-s-58j) (OpenAirDocs)
- Registry engine: Wright 1820-84C (registry code 67201, https://openairdocs.org/engine/wright-1820-84c) (OpenAirDocs)
- Reported make and model: SKRSKY S58J
- Reported engine: WRIGHT 989C9HE2
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 11,500 total, 2,100 in this make and model, 45 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20070402004809I

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

(-23) DURING A REPOSITIONING FLIGHT FROM BDR TO POTTSTOWN, PA (KPTW) AT 1000 FEET MSL AIRCRAFT EXPERIENCED ENGINE FAILURE. PILOT ESTABLISHED AN AUTOROTATION AND LANDED WITHOUT INCIDENT IN A RESIDENTIAL BACKYARD. INSPECTION OF THE CURTIS WRIGHT 989C9HE2 RADIAL ENGINE REVEALED THAT MAGNETO PLENOLIC GEAR ASSEMBLY WAS STRIPPED CAUSING THE SHAFT NOT TO ROTATE. THE BENDIX MAGNETO, BENDIX PART #D9LN-2, SERIAL #06442M, WAS OVERHAULED AND YELLOW TAGGED ON 12/05/2005 BY S&T AIRCRAFT ACCESSORIES, INC., FAA REPAIR STATION #CC2R737K, WORK ORDER 44074 (10-94500-2W). THIS MAGNETO FAILED AT 53.4 HOURS TIME SINCE OVERHAUL. ON 09/22/2006 THIS MAGNETO WAS INSTALLED ON N58HU ENGINE AS DOCUMENTED ON THE AIRCRAFT LOG BOOK PAGE 584514 AFTER AN INFLIGHT ENGINE FAILURE, THAT OCCURRED ON 09/21/2006. THIS MAGNETO FAILED AT 87.8 HOURS TIME SINCE OVERHAUL. ON 04/02/07 THE MAGNETO WAS REMOVED FROM THE AIRCRAFT'S ENGINE, FAA FORM 8020-2 TITLED "AIRCRAFT/PART IDENTIFICATION AND RELEASE" WAS ATTACHED TO THE MAGNETO AND A FAA FORM 1600-70 TITLED "CHAIN OF CUSTODY REPAIR" WAS ISSUED TO AIRCRAFT OPERATOR. THE MAGNETO WILL BE FURTHER STUDIED FOR CAUSE OF FAILURE.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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