Air Do 737-800 Suffers Hydraulic Failure on Approach to Kushiro

An Air Do Boeing 737-700 on the taxiway.
Masahiro TAKAGI from Ichikawa, Chiba, Japan, CC BY 2.0, via Wikimedia Commons

An Air Do Boeing 737-700 operating a scheduled service from Tokyo experienced a hydraulic failure during its approach into Kushiro on 7 July 2024.

Air Do flight HD73, a Boeing 737-700 operating from Tokyo Haneda International Airport was on approach to Kushiro when the issue was detected.

Air Do HD73 Tokyo-Kushiro

Flight track of Air Do HD73 from Tokyo to Kushiro showing diversion to Nakashibetsu

Flight crew noted a hydraulic failure indication during the approach procedure. Due to weather conditions at Kushiro, the flight crew elected to carry out a diversion north to
Nakashibetsu Airport (NHB).

Flight track of Air Do HD73 from Tokyo to Kushiro showing diversion to Nakashibetsu

Following the diversion, the aircraft landed at Nakashibetsu Airport without further incident. The flight was able to vacate the active runway, however it became disabled on the taxiway.

Flight track of Air Do HD73 from Tokyo to Kushiro showing diversion to Nakashibetsu

As a result, the aircraft was placed under tow and moved to the apron hardstanding area. During the aircraft’s postflight inspection a hydraulic leak was confirmed in one of the three hydraulic systems.

The active runway and taxiway were then cleaned by ground crews following the landing.

Flight Details

Flight data shows that flight HD73 made an on-time departure out of Tokyo Haneda Airport (HND) at 1631 local time.

The aircraft then set course normally, climbing to flight level FL390 (39,000 feet). It then proceeded with the northerly service to Kushiro Airport (KUH).

Having detected the hydraulic system fault during the approach to the intended destination, the aircraft then continued to the north on diversion to Nakashibetsu Airport.

An Air Do Boeing 737-700 on the taxiway.
Masahiro TAKAGI from Ichikawa, Chiba, Japan, CC BY 2.0, via Wikimedia Commons

The aircraft conducting the HD73 domestic service from Tokyo was a Boeing 737-700, registered JA07AN.

This is a 17.8 year old narrowbody aircraft belonging to the Japanese carrier Air Do. It has been operational service with the airline since November 2013.

Prior to its service with the present carrier it was operated by All Nippon Airways (ANA) following its initial factory delivery in October 2006.

About Air Do

Air Do, previously known as Hokkaido International Airlines, is a Japanese regional airline headquartered in Sapporo, Japan.

It operates scheduled service between the islands of Honshu and Hokkaido in cooperation with All Nippon Airways, from its hubs at New Chitose Airport in Sapporo and Haneda Airport in Tokyo.

The airline was founded in 1996 as a low-cost carrier but has since transitioned to a more traditional regional airline model.

It operates a fleet of 14 aircraft, consisting of nine Boeing 737-700 planes and five Boeing 767 variants


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By Len Varley - Assistant Editor 3 Min Read
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