ASN Wikibase Occurrence # 384716
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| Date: | Friday 2 April 1982 |
| Time: | 20:15 LT |
| Type: |  Piper PA-31-350 |
| Owner/operator: | Moore Data Systems, Inc. |
| Registration: | N41045 |
| MSN: | 31-8252020 |
| Total airframe hrs: | 63 hours |
| Engine model: | Lycoming TIO-540-J2BD |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | Tallahassee, FL -
 United States of America
|
| Phase: | En route |
| Nature: | Executive |
| Departure airport: | Sarasota, FL (KSRQ) |
| Baton Rouge, LA (BTR | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
WHILE CRUISING AT 8000 FEET, THE RIGHT ALTERNATOR LIGHT CAME ON AND THE PILOT ACCOMPLISHED THE REQUIRED PROCEDURES FOR AN ALTERNATOR FAILURE. SHORTLY THEREAFTER, HE NOTICED AN AREA OF DISCOLORATION ON THE INBOARD NACELLE OF THE RIGHT ENGINE AND SAW FLAMES INSIDE THE NACELLE. THE PILOT SECURED THE ENGINE, DECLARED AN EMERGENCY AND MADE A SINGLE ENGINE LANDING AT TALLAHASSEE, FL. EXAMINATION OF THE ENGINE REVEALED A BROKEN TURBOCHARGER EXHAUST CLAMP WHICH ALLOWED THE EXHAUST TUBE TO SEPARATE FROM THE TURBO. HIGH TEMPERATURE EXHAUST GASES THEN STARTED THE FIRE WHICH DISABLED THE ALTERNATOR WIRING. METALLURGICAL EXAMINATION OF THIS CLAMP AND SEVERAL OTHERS THAT HAD FAILED INDICATED THAT THE FAILURES WERE DUE TO HIGH TEMPERATURE EMBRITTLEMENT. THE LACK OF HIGH TEMPERATURE DUCTILITY WAS ATTRIBUTED TO IMPROPER HEAT TREATMENT WHEN THE CLAMPS WERE MANUFACTURED.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB MIA82IA110
History of this aircraft
Other occurrences involving this aircraft
| 31 October 1982 | N41045 | Moore Data Systems Inc | 3 | Baton Rouge Metropolitan Airport (Ryan Field), Baton Rouge, Louisiana | |
w/o |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 03-Apr-2024 14:08 | ASN Update Bot | Added |
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