ASN Wikibase Occurrence # 35348
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| Date: | Saturday 13 November 1982 |
| Time: | 15:40 |
| Type: |  Stinson 108-3 |
| Owner/operator: | private |
| Registration: | N6943M |
| MSN: | 4943 |
| Total airframe hrs: | 325 hours |
| Engine model: | FRANKLIN 6A4-165-B3 |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Lynnwood, WA -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Lynnwood, WA (S13) |
| Lynnwood, WA (S13) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE ENG FAILED APPROACHING THE airport AT LOW ALTITUDE. THE ACFT STRUCK TREES DURING A DESCENDING TURN TOWARD A POWER COMPANY RIGHT-OF-WAY. INVESTIGATION REVEALED THAT THE IMPULSE DRIVE SPRINGS ON BOTH MAGNETOS HAD FAILED IN FATIGUE. THE SPRINGS ARE NOT ASSIGNED A SERVICE LIFE LIMIT. REJECTION CRITERIA DURING MAGNETO OVERHAUL PERTAINS TO DISTORTION OF COIL SYMMETRY & OBVIOUS SIGNS OF WEAR. NO RECORD COULD BE FOUND OF REPLACEMENT OF THE MAGNETO IMPULSE SPRINGS. IT IS POSSIBLE THAT THEY WERE ORIGINAL EQUIPMENT DATING TO 1948. CAUSE:
Sources:
NTSB: https://www.ntsb.gov/ntsb/brief.asp?ev_id=20020917X05131
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:22 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
Corrections or additions? ... Edit this accident description
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