ASN Wikibase Occurrence # 383271
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| Date: | Wednesday 22 September 1982 |
| Time: | 14:55 LT |
| Type: |  Cessna 177RG |
| Owner/operator: | Cascade Flight School Inc. |
| Registration: | N52716 |
| MSN: | 177RG1256 |
| Total airframe hrs: | 2731 hours |
| Engine model: | Lycoming IO-360-A1B6D |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | None |
| Category: | Serious incident |
| Location: | Cashmere, WA -
 United States of America
|
| Phase: | Unknown |
| Nature: | Unknown |
| Departure airport: | Bellingham, WA (KBLI) |
| Wenatchee, WA (EAT | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
WHILE DESCENDING THROUGH 7500 FT THE PILOT OBSERVED SMOKE ENTERING THE COCKPIT FROM THE INSTRUMENT PANEL AREA. AN ATTEMPT WAS MADE TO ISOLATE THE SOURCE BY SHUTTING OFF VARIOUS ELECTRICAL COMPONENTS. THE SMOKE CONTINUED TO APPEAR INTERMITTENTLY BEFORE THE AIRCRAFT REACHED ITS INTENDED DESTINATION. LATER INVESTIGATION REVEALED THAT A SLIGHT OIL LEAK ALLOWED OIL TO DROP ONTO A HEATED EXHAUST SHROUD AND PRODUCE SMOKE WHICH WAS INGESTED INTO THE COCKPIT THROUGH A DEFROSTER VENT UNDER CERTAIN CONDITIONS. THE OIL LEAK WAS FROM THE LEFT REAR ROCKER COVER.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB SEA82IA170
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-Apr-2024 22:49 | ASN Update Bot | Added |
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