ASN Wikibase Occurrence # 161681
This information is added by users of ASN. Neither ASN nor the Flight Safety Foundation are responsible for the completeness or correctness of this information.
If you feel this information is incomplete or incorrect, you can submit corrected information.
| Date: | Friday 8 July 2011 |
| Time: | 09:19 |
| Type: |  Boeing 767-381 |
| Owner/operator: | All Nippon Airways - ANA |
| Registration: | JA8674 |
| MSN: | 25661/543 |
| Year of manufacture: | 1994 |
| Fatalities: | Fatalities: 0 / Occupants: |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | 79 km NW of Tokyo-Haneda Airport (HND/RJTT) -
 Japan
|
| Phase: | En route |
| Nature: | Passenger - Scheduled |
| Departure airport: | Tokyo-Haneda Airport (HND/RJTT) |
| Toyama Airport (TOY/RJNT) | |
| Investigating agency: | JTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A Boeing 767-300, registered JA8674, operated by All Nippon Airways took off from Tokyo International Airport for Toyama Airport as a scheduled Flight 883 at 09:08 JST .
At 09:19 while flying at an altitude of approximately 8,500m, a loud noise accompanied by vibration was heard from No.1 Engine (the left
engine; hereinafter referred to as “the Engine”); therefore, the flight crew they shut it down and returned to Tokyo International Airport. The Aircraft made an uneventful landing at the airport at 09:51 after obtaining a priority in the air traffic control.
PROBABLE CAUSES
It is highly probable that this serious incident was caused by the separation of a second stage HPT blade via fatigue mechanisms during service, followed by the liberated blade fragment in the shank (post-separation) resulted in secondary downstream impact damage for entire axial length of the LTP.
The possible contributing factor to the fatigue propagation was increase in stress because of the reduction in wall thickness caused by excessive grit blasting during the last repair
Accident investigation:
 |
|
Sources:
http://www.mlit.go.jp/jtsb/eng-air_report/JA8674.pdf
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 25-Oct-2013 20:13 | harro | Added |
Corrections or additions? ... Edit this accident description
The Aviation Safety Network is an exclusive service provided by:
Quick Links:
| ASN Home | Send Correction / Feedback |
| FSF Home | Disclaimer | Copyright |
| Contact Us | Privacy Policy |
| Press / Media |
CONNECT WITH US:
©2024 Flight Safety Foundation