ANA B788 near Osaka on Nov 20th 2016, engine oil problem

Last Update: November 20, 2016 / 19:39:59 GMT/Zulu time

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Incident Facts

Date of incident
Nov 20, 2016

Classification
Incident

Flight number
NH-763

Destination
Okinawa, Japan

Aircraft Registration
JA811A

ICAO Type Designator
B788

An ANA All Nippon Airways Boeing 787-800, registration JA811A performing flight NH-763 from Osaka Itami to Okinawa (Japan) with 314 people on board, was enroute at FL400 about 220nm southwest of Osaka Itami Airport about 35 minutes into the flight when the crew detected a decreasing oil quantity indication for the left hand engine (Trent 1000) and decided to return to Osaka. The aircraft landed safely on Itami's runway 32L about 80 minutes after departure. Attending emergency services did not find any trace of an oil leak.

A replacement Boeing 777-200 registration JA742A reached Okinawa with a delay of 5:50 hours.

Japan's Ministry of Transport reported about 40 minutes into the flight a left hand engine oil system failure warning light came on prompting the crew to return to Osaka.

The airline reported the crew observed a decreasing oil quantity indication, a post flight examination did not find an oil leak. The cause of the occurrence is under investigation.

The occurrence aircraft is still on the ground in Osaka 18 hours after landing back.
Incident Facts

Date of incident
Nov 20, 2016

Classification
Incident

Flight number
NH-763

Destination
Okinawa, Japan

Aircraft Registration
JA811A

ICAO Type Designator
B788

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