Incident at HALIFAX / STANFIELD INTL NS (CYHZ)

Summary

2010-01-28: UPDATE TSB: A10A0001: CHI71, a Cougar Helicopters Sikorsky S-92, registration C-GVCH, was en route from Halifax to the Rowan Gorilla Three oil production platform when the crew declared a Pan, Pan, Pan due to illumination of the main gearbox (MGB) chip detector indicator. The aircraft returned to Halifax and landed safely without further incident. Maintenance inspection revealed a pin-shaped foreign metal object on the MGB chip detector plug. The MGB had just recently been overhauled. The operator will be replacing the MGB before returning the aircraft to service.
2010-01-04: CHI 71, Sikorsky S92A, enroute from the Raven Gorilla 3 platform to Halifax (CYHZ), 20 miles southeast of Halifax declared a PAN PAN PAN emergency due to a main gearbox chip indicator warning. Crash Fire Rescue and the duty manager were advised. The aircraft landed uneventfully on Runway 32 at 13:35Z. TSB Case Closed.
2010-01-04: UPDATE TSB: Significant amounts of metal fragments were found in the gearbox.. The gearbox will be replaced before the aircraft returns to service.

Details


CADORS Number 2010A0018
Occurrence Type Incident
Reported By NAV CANADA
Occurred At 2010-01-04 - 13:20
Day or Night? Day-time
Fatalities 0
Injuries 0
Aerodrome ID CYHZ
Aerodrome Name HALIFAX / STANFIELD INTL NS (CYHZ)
Geographic Location Nova Scotia, Canada, North America, Atlantic Region, Halifax Intl (CYHZ)
TSB Occurrence Number A10A0001
TSB Class of Investigation Class 5
AOR Number 114951-V1
Reported By NAV CANADA
Categories System/component failure or malfunction [non-powerplant],Other
Events



Aircraft Details (1 aircraft)

Type Helicopter
 Silhouette image of Helicopter
Canadian Registration GVCH | Flightaware (Registration) | Flightaware (Tracking) | AvHerald
Foreign Registration
Country of Registration Canada
Occurrence Type Incident
Owner COUGAR HELICOPTERS INC.
Operator COUGAR HELICOPTERS INC. (4791) Commercial
Make  Silhouette image of SIKORSKY
SIKORSKY
Model S92A
Year Built 2008
Engine Type Turbo shaft
Engine Make GENERAL ELECTRIC
Engine Model CT7-8A
Gear Type Land
Private No
Amateur Built No
Flight Number CHI71
Flight Rule
CARS Subpart
Phase of Flight Cruise
Damage No Damage
Fatalities 0
Injuries 0
Events Transmission problem,Declared emergency/priority

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