Incident ATR 72-201 EI-REI, Saturday 30 March 2013
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Date:Saturday 30 March 2013
Type:Silhouette image of generic AT72 model; specific model in this crash may look slightly different    
ATR 72-201
Owner/operator:Aer Lingus Regional
Registration: EI-REI
MSN: 267
Fatalities:Fatalities: 0 / Occupants: 61
Other fatalities:0
Aircraft damage: Minor
Location:Dublin Airport (DUB/EIDW) -   Ireland
Phase: Landing
Nature:Passenger - Scheduled
Departure airport:Edinburgh (EGPH)
Destination airport:Dublin Airport (DUB/EIDW
Investigating agency: AAIU
Confidence Rating: Accident investigation report completed and information captured
The aircraft was operating a scheduled passenger flight from Edinburgh (EGPH) to Dublin (EIDW). Following a normal touchdown, a severe nose wheel shimmy was experienced as the aircraft decelerated below 40 kts. Subsequent inspection of the nose leg assembly revealed that the nose landing gear (NLG) torque link apex pin assembly was missing.

AAIU Probable Cause:
It is likely that corrosion of the threaded portion of the apex pin had occurred such that the serrated washer and retaining nut separated from the link pin allowing the link pin to migrate free.
AAIU Contributory Cause:
The susceptibility of the link pin material to corrosion at the threaded portion following degradation of the cadmium protection.

ATR had earlier issued OIM 2014/003.

The Operator also identified a scenario whereby the misplacement of the nose wheel chock could lead to the displacement of the serrated (locking) washer.

Accident investigation:
Investigating agency: AAIU
Report number: 
Status: Investigation completed
Download report: Final report


Revision history:

18-Dec-2014 21:50 harro Added
30-Dec-2014 13:44 Aerossurance Updated [Time, Narrative]

Corrections or additions? ... Edit this accident description

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