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| Date: | Friday 23 April 1982 |
| Time: | 16:30 LT |
| Type: |  Beechcraft A60 |
| Owner/operator: | Private |
| Registration: | N7RA |
| MSN: | P-152 |
| Total airframe hrs: | 2500 hours |
| Engine model: | Lycoming TIO-541-E1C4 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Other fatalities: | 0 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Garland, TX -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Addison, TX (KADS) |
| Houston, TX (KHOU) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PLANE HAD BEEN INVOLVED IN A BANKRUPCY SETTLEMENT AND HAD NOT BEEN FLOWN FOR ABOUT 3 1/2 MTHS. THE PILOT HAD BEEN SENT TO FERRY THE PLANE. DURING A RUN-UP BEFORE TAKEOFF, THE PROPELLERS MOVED TOWARD A FEATHER POSITION WITHOUT PILOT INPUT. THE PILOT HAD A MECHANIC SERVICE THE PROPS. A SUBSEQUENT RUN-UP WAS NORMAL, SO THE PILOT TOOK OFF. ABOUT TWO MINUTES AFTER LEVELING AT 1800 FT, THE LEFT PROP STARTED FEATHERING AGAIN WITHOUT PILOT INPUT AND THE LEFT ENGINE LOST POWER. A SHORT TIME LATER, THE RIGHT ENGINE BEGAN LOSING POWER. AN EMERGENCY LANDING WAS MADE ON A CLOSED AIRPORT; HOWEVER, THE GEAR STRUCK ROCKS AND DEBRIS THAT WERE NOT VISIBLE IN AN AREA OF GRASS. AN INVESTIGAITON REVEALED THE ENGINE OIL HAD NOT BEEN CHANGED SINCE 7/20/81. THE PROP GOVERNOR SCREENS WERE FOUND WITH ABOUT 70 TO 80% BLOCKAGE WITH A CARBON BUILD-UP. AN OIL ANALYSIS REVEALED A HIGH ALUMINUM CONTENT. THE LAB REPORT STATEDTHAT THIS MAY BE FROM BREAK-IN, RECENT MAINTENANCE, ABNORMAL WEAR, OR OVER EXTENDED OIL DRAIN. LAST ANNUAL DATED 4/2/81.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB FTW82DA143
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 03-Apr-2024 12:38 | ASN Update Bot | Added |
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