ASN Wikibase Occurrence # 369397
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| Date: | Tuesday 20 December 1988 |
| Time: | 18:45 LT |
| Type: |  Beechcraft A36 |
| Owner/operator: | Bonanza Five, Inc. |
| Registration: | N17696 |
| MSN: | E1004 |
| Total airframe hrs: | 3330 hours |
| Engine model: | CONTINENTAL IO-520-BA |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Athens, GA -
 United States of America
|
| Phase: | En route |
| Nature: | Executive |
| Departure airport: | Augusta, GA (KDNL) |
| Chamblee, GA (KPDK) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
WHILE CRUISING AT 6,000', THE PLT FELT AN INTENSE VIBRATION FM THE ENG. POWER WAS REDUCED & A DESCENT WAS BEGUN TOWARD A NEARBY ARPT. BEFORE REACHING THE ARPT, THE ENG LOST POWER & AN EMERGENCY WHEELS-UP LANDING WAS MADE IN AN OPEN FIELD. AN EXAM OF THE ENG REVEALED THE #1 EXHAUST VALVE HAD FAILED. THE VALVE GUIDE WAS BATTERED & BROKEN, AND WAS LOOSE IN ITS BORE. THE BORE WAS FRETTED & HAD BECOME OVERSIZED. THE ENG HAD BEEN OVERHAULED & INSTALLED IN THE ACFT ON 1/20/82 WITH A TOTAL TIME OF 1515 HRS. ACCORDING TO THE LOG BOOK, NEW VALVES & VALVE GUIDES HAD BEEN INSTALLED AT THAT TIME. THE ENG TIME SINCE MAJOR OVERHAUL WAS 1041 HRS.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB ATL89LA056
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Mar-2024 14:10 | ASN Update Bot | Added |
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