ASN Wikibase Occurrence # 363060
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| Date: | Sunday 23 August 1992 |
| Time: | 09:10 LT |
| Type: | North American NA-64 Yale |
| Owner/operator: | Albert Pemberton |
| Registration: | N3201U |
| MSN: | 64-2202 |
| Year of manufacture: | 1940 |
| Engine model: | WRIGHT R-975-E3 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Bakersfield, CA -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT SAID THAT DURING LANDING THE AIRCRAFT BEGAN TURNING TO THE LEFT. HE ATTEMPTED TO CORRECT THE TURNING TENDENCY WITH RIGHT RUDDER AND BRAKE APPLICATION; HOWEVER, THE AIRCRAFT SUDDENLY GROUND LOOPED AND COLLAPSED THE MAIN LANDING GEAR. THE BRAKES WERE EXAMINED AND BRAKE FLUID WAS OBSERVED ON THE BRAKE DRUM AND LINING. DISASSEMBLY OF THE LEFT BRAKE CYLINDER REVEALED DEEP CORROSION PITS ON THE INTERIOR SURFACE OF THE CYLINDER. DUE TO THE MANUFACTURE DATE OF THE AIRPLANE, VEGETABLE BASE (AUTOMOTIVE) BRAKE FLUID IS USED. IT WAS REPORTED THAT UNLIKE MINERAL BASE BRAKE FLUID USED IN MODERN AIRCRAFT, 'VEGETABLE BASE FLUID WILL NOT TOLERATE HIGH TEMPERATURE AND WILL CAUSE A BRAKE LINING TO 'GRAB' THE DRUM DURING HEAVY BRAKE APPLICATION.'
Probable Cause: LEAKAGE OF BRAKE FLUID FROM AN UNKNOWN SOURCE ONTO THE BRAKE LINING AND DRUM.
Accident investigation:
 |
|
Sources:
NTSB LAX92LA363
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 18-Mar-2024 13:09 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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