Canada B789 over Atlantic on May 29th 2018, engine oil leak

Last Update: June 4, 2018 / 21:19:47 GMT/Zulu time

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Incident Facts

Date of incident
May 29, 2018

Classification
Incident

Airline
Air Canada

Flight number
AC-844

Aircraft Registration
C-FRSO

ICAO Type Designator
B789

An Air Canada Boeing 787-900, registration C-FRSO performing flight AC-844 (dep May 28th) from Calgary,AB (Canada) to Frankfurt/Main (Germany) with 196 passengers and 11 crew, was enroute at FL380 over the Atlantic Ocean about 550nm northeast of Goose Bay,NL (Canada) when the crew detected the loss of engine oil from the #1 engine (GEnx) and reduced the engine to idle thrust. The crew requested to divert to Goose Bay and landed there without further incident about 1:45 hours later.

The Canadian TSB reported: "maintenance determined that the L2 Variable Frequency Starter Generator (VFSG) was leaking oil due to O rings damage on the shaft and the carbon seal. After the VFSG and the carbon seal were replaced, a successful leak check was carried out."
Aircraft Registration Data
Registration mark
C-FRSO
Country of Registration
Canada
Date of Registration
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Certification Basis
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TCDS Ident. No.
Manufacturer
Boeing
Aircraft Model / Type
787-9
ICAO Aircraft Type
B789
Year of Manufacture
Serial Number
Aircraft Address / Mode S Code (HEX)
Maximum Take off Mass (MTOM) [kg]
Engine Count
Engine Type
Main Owner
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Aircraft registration data reproduced and distributed with the permission of the Government of Canada.

Incident Facts

Date of incident
May 29, 2018

Classification
Incident

Airline
Air Canada

Flight number
AC-844

Aircraft Registration
C-FRSO

ICAO Type Designator
B789

This article is published under license from Avherald.com. © of text by Avherald.com.
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