ASN Wikibase Occurrence # 285915
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| Date: | Friday 27 June 2008 |
| Time: | 16:30 LT |
| Type: |  Cessna A185F |
| Owner/operator: | Armstrong Marine, Inc. |
| Registration: | N5403E |
| MSN: | 18503963 |
| Year of manufacture: | 1980 |
| Total airframe hrs: | 3648 hours |
| Engine model: | Continental IO-520 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Rainier, Oregon -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Sequim, WA (WN29) |
| Kelso-Longview Airport, WA (KLS/KKLS) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The amphibian airplane nosed over on touchdown in a river. Postaccident investigation determined that the landing gear was extended, but the cockpit gear selector was in the retracted position. Examination revealed hydraulic fluid within the number seven and eight bulkheads of the left float. Applying compressed air to one of the hydraulic lines resulted in hydraulic fluid leaking from the tension actuator. During examination of the actuator, extensive leaking of hydraulic fluid around the rear seal occurred after application of hydraulic pressure to the aft hydraulic port. There was corrosion around and on the aft securing pin. The hydraulic leak would allow the landing gear to extend from the float.
Probable Cause: The inadvertent extension of the left float's landing gear to near the down position due to a failure of the gear's rear hydraulic seal.
Accident investigation:
 |
|
Sources:
NTSB LAX08LA201
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-Oct-2022 16:59 | ASN Update Bot | Added |
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