ASN Wikibase Occurrence # 361900
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| Date: | Sunday 13 June 1993 |
| Time: | 11:10 LT |
| Type: |  Cessna 206 |
| Owner/operator: | Jim Air |
| Registration: | N4672U |
| MSN: | 20605046 |
| Total airframe hrs: | 5567 hours |
| Engine model: | CONTINENTAL IO520F |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | Portage, AK -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | Lake Hood Sea, AK (LHD |
| Prince Wlm Snd, AK | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING THE CRUISE CLIMB, THE ENGINE BEGAN TO EMIT METALLIC SOUNDS AND LOOSE POWER. A SUCCESSFUL OFF AIRPORT EMERGENCY LANDING WAS PERFORMED. DISASSEMBLY OF THE ENGINE REVEALED THAT THE NO. 2 CYLINDER CONNECTING ROD BEARING HAD SHIFTED WITHIN ITS JOURNAL RACE WHICH PRODUCED AN OIL STARVATION/THERMAL DISTRESS EVENT. THE CAUSE OF THE BEARING SHIFT COULD NOT BE DETERMINED.
Probable Cause: THE FAILURE OF THE NUMBER TWO CYLINDER CONNECTING ROD BEARING DUE TO THE SHIFTING OF THE BEARING WITHIN ITS JOURNAL RACE WHICH PRODUCED AN OIL STARVATION/THERMAL DISTRESS EVENT.
Accident investigation:
 |
|
Sources:
NTSB ANC93IA093
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 17-Mar-2024 15:39 | ASN Update Bot | Added |
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