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| Date: | Friday 19 September 2008 |
| Time: | 17:10 LT |
| Type: |  Aérospatiale AS 350BA Ecureuil |
| Owner/operator: | |
| Registration: | VH-BUK |
| MSN: | 2197 |
| Year of manufacture: | 1989 |
| Fatalities: | Fatalities: 0 / Occupants: |
| Other fatalities: | 0 |
| Aircraft damage: | None |
| Location: | Hoxton Park Aerodrome SE M/6km -
 Australia
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | Fitzroy Falls |
| Rosehill, NSW | |
| Confidence Rating: |  Information verified through data from accident investigation authorities |
Experienced the onset of severe vibration within the tail rotor controls and made an emergency landing at Casula High School. Subsequent examination of the aircraft revealed that one of the tail rotor pitch change links had fractured, resulting in lateral movement of the tail rotor and damage to the tail boom and tail cone.
The pitch link had fractured from fatigue cracking that was the result of stresses induced in the link by excessive play in the heavily-worn spherical bearing. It was probable that bearing wear outside of maintenance manual limits existed, but was not detected, during the most recent after last flight (ALF) inspection.
As a result of this occurrence, the helicopter manufacturer released Safety Information Notice (No. 2000-S-65)
Sources:
http://www.atsb.gov.au/publications/investigation_reports/2008/aair/ao-2008-068.aspx
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 08-Sep-2014 14:02 | Aerossurance | Added |
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