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| Date: | Thursday 20 February 2014 |
| Time: | 14:25 LT |
| Type: |  Fairchild SA227-DC Metro 23 |
| Owner/operator: | Sharp Airlines |
| Registration: | VH-UUB |
| MSN: | DC-894B |
| Engine model: | Garrett TPE331 |
| Fatalities: | Fatalities: 0 / Occupants: 12 |
| Other fatalities: | 0 |
| Aircraft damage: | Substantial |
| Category: | Serious incident |
| Location: | Portland, VIC -
 Australia
|
| Phase: | Landing |
| Nature: | Passenger - Non-Scheduled/charter/Air Taxi |
| Departure airport: | Avalon Airport, VIC (AVV/YMAV) |
| PTJ/YPOD - Portland | |
| Investigating agency: | ATSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Loss of directional control on landing due to MLG torque link failures.
The runway excursion resulted from failure of the lower torque link attachment lug on the left main landing gear’s yoke. This allowed the wheels to rotate through 90° with respect to the direction of aircraft travel and skid, producing a large braking effect on the left side.
The failure...resulted from pre-existing cracks that had progressively grown until the part had insufficient strength to support normal landing loads. The cracks initiated principally from areas of pitting corrosion in the lug’s bore and were propagated by cyclic stresses imposed during operation.
Accident investigation:
 |
|
Sources:
http://www.atsb.gov.au/publications/investigation_reports/2014/aair/ao-2014-028.aspx
https://flightaware.com/live/flight/VHUUB
http://www.myaviation.net/search/search.php?view®nr=VH-UUB
http://www.atsb.gov.au/publications/investigation_reports/2014/aair/ao-2014-028/
http://aerossurance.com/safety-management/metro-23-mlg-runway-excursion/ #flightsafety #aviationsafety
Location
Media:
OTD 2014: On touch down a corroded MLG torque link lug fractures, the wheels turn 90 degrees and the aircraft veers off the runway. Continuing a/w changes followed.https://t.co/WBaPC4eBhy #flightsafety #aviationsafety pic.twitter.com/7OAloy297w
— Aerossurance (@Aerossurance) February 20, 2021
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 25-Feb-2014 12:13 | Petropavlovsk | Added |
| 26-Feb-2014 00:16 | Geno | Updated [Operator, Total fatalities, Other fatalities, Location, Departure airport, Destination airport, Source, ] |
| 22-Mar-2016 20:06 | Aerossurance | Updated [Time, Total occupants, Location, Nature, Source, Damage, Narrative, ] |
| 23-Mar-2016 15:47 | harro | Updated [Aircraft type, ] |
| 20-Feb-2021 11:40 | Aerossurance | Updated [Location, Source, Embed code, Accident report, ] |
| 20-Feb-2021 11:40 | Aerossurance | Updated [Accident report, ] |
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