N354SH
Registered owner: SYCAN CORP DBA, CA (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| SYCAN CORP (LSSA) | Certificate holder | — | Matched by certificate designator |
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
THE HELICOPTER WAS CONDUCTING A SNOW SURVEY, AT APPROXIMATELY 11,500FT, AN ENGINE CHIP LIGHT ILLUMINATED ON THE CAUTION PANEL OF THE ACFT RIGHT AFTER TAKEOFF. THE PILOT IMMEDIATELY LANDED AND PROCEED TO INSPECT THE MAGNETIC ENGINE CHIP PLUGS WHICH WERE FOUND TO BE FULL OF METAL. AN ENGINE OIL ANALYSIS WAS PERFORMED 306 HRS PRIOR TO THIS INCIDENT AND FOUND NO ABNORMAL LEVELS OF METAL IN THE ENGINE OIL. THE M01, M02, M04 AND M05 ENGINE MODULES WERE FOR INSPECTION AND EVALUATION DUE TO METAL CONTAMINATION. FOUND THE CAUSE OF METAL CONTAMINATION TO BE THE REAR BEARING PN 9609000166 IN THE M04 MODULE. THE MANUFACTURER HAS NOT DISCLOSED THE REASON WHY THE BEARING FAILED OR PROVIDED ANY RECOMMENDATION TO PREVENT RECURRENCE. ATTACHED ARE PICTURES OF THE FAILED BEARING FROM THE TECHNICAL MAINTENANCE REPORT PROVIDED BY MANUFACTURER.
APPROXIMATELY 3PM LOCAL TIME, CONDUCTING A SNOW SURVEY AT APPROXIMATELY 11500 FT. AN ENGINE CHIP LIGHT ILLUMINATED ON THE CAUTION PANEL OF THE ACFT RIGHT AFTER TAKEOFF. THE PILOT IMMEDIATELY LANDED AND PROCEEDED TO INSPECT THE MAGNETIC ENGINE CHIP PLUGS WHICH WERE FOUND TO BE FULL OF METAL. AN ENGINE ANALYSIS WAS PERFORMED 3.6 HOURS PRIOR TO THIS INCIDENT AND FOUND NO ABNORMAL LEVELS OF METAL IN THE ENGINE OIL. THE M01, M02, M04 AND M05 ENGINE MODULES WERE SENT FOR INSPECTION AND EVALUATION DUE TO METAL CONTAMINATION. THE CAUSE OF METAL CONTAMINATION TO BE THE REAR BEARING IN THE M04 MODULE. MANUFACTURER HAS NOT DISCLOSED THE REASON WHY THE BEARING FAILED OR PROVIDE ANY RECOMMENDATIONS TO PREVENT A RECURRENCE.