ASN Wikibase Occurrence # 296318
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| Date: | Monday 30 December 2002 |
| Time: | 11:48 LT |
| Type: |  Lancair 320 |
| Owner/operator: | Private |
| Registration: | N364M |
| MSN: | 1 |
| Total airframe hrs: | 22 hours |
| Engine model: | Lycoming IO360-B1B |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | CORONA, California -
 United States of America
|
| Phase: | Unknown |
| Nature: | Private |
| Departure airport: | Chino Airport, CA (CNO/KCNO) |
| MURRIETA/TEMECU, CA | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The day before the accident the pilot/builder of the experimental airplane had installed an air/oil separator on the airplane. In the process, he had removed a high-pressure oil line from the oil cooler and then reattached it "firmly" with a screw clamp "as best he could." A taxi test was conducted with the engine cowling removed to check for oil leaks, and none were found. During climb out, at 6,500 feet, the engine lost oil pressure, and the pilot decided to make an emergency landing on an interstate highway. During final approach, the engine seized, and the airplane struck the roof of a motor home and came to rest on its belly. According to the pilot, the engine seized after the "hi presssure oil line to oil cooler was pushed or pulled off, draining all oil" from the engine.
Probable Cause: The pilot/builder's improper maintenance procedure for reattaching a high-pressure oil line, which resulted in the oil line disconnecting during flight, followed by a loss of oil and engine seizure.
Accident investigation:
 |
|
Sources:
NTSB LAX03LA056
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 13-Oct-2022 19:10 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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