ASN Wikibase Occurrence # 314671
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| Date: | Monday 1 March 2010 |
| Time: | 09:40 LT |
| Type: |  Boeing 737-8AS (WL) |
| Owner/operator: | Ryanair |
| Registration: | EI-DYI |
| MSN: | 36571/2574 |
| Year of manufacture: | 2008 |
| Fatalities: | Fatalities: 0 / Occupants: 146 |
| Aircraft damage: | Minor |
| Category: | Incident |
| Location: | Brussels -
 Belgium
|
| Phase: | En route |
| Nature: | Passenger - Scheduled |
| Departure airport: | Eindhoven Airport (EIN/EHEH) |
| Madrid-Barajas Adolfo Suárez Airport (MAD/LEMD) | |
| Confidence Rating: |  Information verified through data from accident investigation authorities |
In flight the crew noticed unusual airframe vibration and diverted. Subsequent investigation revealed that the aft attachment lugs on the left elevator tab control had failed.
Conclusions
(a) Findings
1. The aircraft suffered damage to the LH stabiliser tab control mechanism.
2. As a result of this damage the aircraft experienced inflight vibration and was forced to divert.
3. The root cause of the damage was identified as bearing swage wear because of workmanship escapement and improper tool usage during component manufacture.
4. The Manufacturer and the FAA implemented a programme of inspections and replacements for other aircraft which may have been affected.
(b) Probable Cause
Bearing swage wear because of workmanship escapement and improper tool usage during component manufacture.
Sources:
NTSB DCA12WA015
AAIU Belgium
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-Jun-2023 19:16 | ASN Update Bot | Added |
| 06-Aug-2023 08:20 | harro | Updated |
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