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ASN Wikibase Occurrence # 177633
Last updated: 22 October 2019
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Date:07-JUL-2015
Time:15:25
Type:Silhouette image of generic E170 model; specific model in this crash may look slightly different
Embraer ERJ-175STD (ERJ-170-200)
Owner/operator:Fuji Dream Airlines
Registration: JA06FJ
C/n / msn: 17000332
Fatalities:Fatalities: 0 / Occupants: 72
Other fatalities:0
Aircraft damage: None
Category:Serious incident
Location:60km southwest of Akita Airport (AXT/RJSK) -   Japan
Phase: En route
Nature:Domestic Scheduled Passenger
Departure airport:New Chitose Airport (CTS/RJCC)
Destination airport:Matsumoto Airport (MMJ/RJAF)
Investigating agency: JTSB
Narrative:
Fuji Dream Airlines flight FDA/JH212 from New Chitose to Matsumoto diverted to Niigata Airport (KIJ/RJSN) after a cabin pressurization problem at about 60 km southwest of Akita Airport at an altitude about 10000 m (~FL330). The flight crew deployed the cabin oxygen masks, and made an emergency descent to 10000 ft. A safe landing was made at Niigata Airport at 15:47 JST. No injuries were reported.

PROBABLE CAUSES:
In this serious incident, it is highly probable that because the supply of the both of right and left bleed air had stopped almost at the same time, the abnormal depressurization in the aircraft occurred.
In the fact regarding that the supply of the both of right and left bleed air had stopped, it is probable that because the airflow for cooling would have been restricted due to malfunction on both right and left fan air valves, the bleed air was hot and the corresponding NAPRSOVís [nacelle pressure regulating shut-off valves] closed.

Sources:

http://web.archive.org/web/20150710053421/http://news.tbs.co.jp:80/newseye/tbs_newseye2535141.html
[LINK NOT WORKING ANYMORE:http://www3.nhk.or.jp/lnews/niigata/1033163731.html?t=1436280155514]
https://headlines.yahoo.co.jp:443/hl?a=20150707-00000059-asahi-soci
https://headlines.yahoo.co.jp:443/hl?a=20150707-00000086-mai-soci

Accident investigation:
cover
  
Investigating agency: JTSB
Status: Investigation completed
Duration: 3 years and 6 months
Download report: Final report


Revision history:

Date/timeContributorUpdates
07-Jul-2015 15:52 isamuel Added
08-Jul-2015 13:29 Anon. Updated [Narrative]
02-Dec-2015 21:01 junior sjc Updated [Time, Aircraft type]
21-Jan-2019 06:37 harro Updated [Narrative, Accident report, ]
21-Jan-2019 06:40 harro Updated [Damage, Narrative]

Corrections or additions? ... Edit this accident description