ASN Wikibase Occurrence # 37477
This information is added by users of ASN. Neither ASN nor the Flight Safety Foundation are responsible for the completeness or correctness of this information.
If you feel this information is incomplete or incorrect, you can
submit corrected information.
Date: | Wednesday 18 January 1989 |
Time: | 08:30 |
Type: | Piper PA-28-140 |
Owner/operator: | private |
Registration: | N8456R |
MSN: | 28-22358 |
Total airframe hrs: | 2318 hours |
Engine model: | LYCOMING O-320-E2A |
Fatalities: | Fatalities: 2 / Occupants: 3 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Bagley, AL -
United States of America
|
Phase: | Landing |
Nature: | Private |
Departure airport: | Walls, MS (2M6) |
Destination airport: | Eufaula, AL (EUF) |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:ACCORDING TO THE SURVIVING PASSENGER, A PARTIAL LOSS OF PWR OCCURRED DRG FLT & THE PLT TRIED TO LAND IN A FIELD, BUT THEFIELD WAS TOO SHORT & THE ACFT HIT TREES & CRASHED. DRG AN EXAM OF THE ENG, A METAL FRAGMENT WAS FND IN THE #3 CYLINDER.EVIDENCE OF FOREIGN OBJECT DMG (PEENING) WAS FND IN THE #2 & #3 COMBUSTION CHAMBERS & ON THEIR RESPECTIVE PISTON FACES. THE RESPECTIVE SPARK PLUGS WERE DMGD TO THE POINT THAT THEIR GROUND ELECTRODES HAD BECOME DISPLACED & SHORTED TO THE CENTER ELECTRODES. A METALLURGICAL EXAM OF THE FRAGMENT REVEALED IT WAS FM A BROKEN EXHAUST VALVE; HOWEVER, EXCEPT FOR PEENING, THE VALVES WERE INTACT. FURTHER INVESTIGATION REVEALED THE ENG HAD AN EXHAUST VALVE FAILURE IN 1980 & HAD FLOWN98 HRS SINCE THEN. PIECES OF THAT VALVE WERE NOT FND & WERE ASSUMED TO HAVE BEEN 'SPIT OUT' THRU THE EXHAUST SYS. DRG ANANNUAL INSPN ON 1/12/89, AN EXHAUST VALVE FRAGMENT WAS FND IN THE ENG MUFFLER. THE OWNER WAS NOTIFIED; THE EXHAUST PIPESWERE REMOVED & INSPECTED; NO OTHER FRAGMENTS WERE FND. THE ACFT WAS NOT EQUIPPED WITH SHOULDER HARNESSES. CAUSE: INADEQUATE MAINTENANCE BY OTHER MAINTENANCE PERSONNEL WHICH ALLOWED A FOREIGN OBJECT TO REMAIN IN THE ENGINE AND DAMAGE/SHORT THE SPARK PLUGS IN THE #2 AND #3 CYLINDERS. TREES IN THE EMERGENCY LANDING AREA CONTRIBUTED TO THE ACCIDENT. IF SHOULDER HARNESSES HAD BEEN INSTALLED AND USED, INJURY(S) MAY HAVE BEEN LESS SEVERE.
Sources:
NTSB:
https://www.ntsb.gov/ntsb/brief.asp?ev_id=20001213X27528 Revision history:
Date/time | Contributor | Updates |
24-Oct-2008 10:30 |
ASN archive |
Added |
21-Dec-2016 19:23 |
ASN Update Bot |
Updated [Time, Damage, Category, Investigating agency] |
The Aviation Safety Network is an exclusive service provided by:
CONNECT WITH US:
©2024 Flight Safety Foundation