ASN Wikibase Occurrence # 366133
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| Date: | Wednesday 26 September 1990 |
| Time: | 10:30 LT |
| Type: |  Cessna 172 |
| Owner/operator: | Civil Air Patrol |
| Registration: | N96839 |
| MSN: | 17276122 |
| Year of manufacture: | 1984 |
| Engine model: | LYCOMING O-320 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Maryville, KY -
 United States of America
|
| Phase: | Landing |
| Nature: | Ferry/positioning |
| Departure airport: | Louisville, KY (KLOU) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT REPORTED THAT DURING THE PRELFIGHT, THE LEFT BRAKE WAS 'WEAK.' THE FLUID LEVEL IN THE LEFT BRAKE HYDRAULIC FLUID RESERVOIR WAS LOW AND IT WAS REFILLED. THE BRAKE OPERATED SATISFACTORILY. THE PILOT FLEW THE AIRCRAFT TO KY07 TO FURTHER INSPECT THE BRAKE. DURING THE LANDING, THE PILOT EXPERIENCED A LOSS OF PRESSURE IN THE LEFT BRAKE. THE PILOT GROUND LOOPED THE AIRCRAFT BY APPLYING RIGHT BRAKE. THE AIRCRAFT WENT OFF THE SIDE OF THE RUNWAY, STRUCK A FENCE AND WENT INTO A DITCH. EXAMINATION OF THE AIRCRAFT REVEALED THE LEFT BRAKE LINE WAS WORN THROUGH FROM CHAFING AGAINST A SCREW WHICH SECURES THE STRUT FAIRING.
Probable Cause: THE FAILURE OF A HYDRAULIC BRAKE LINE WHICH RESULTED IN A LOSS OF FLUID, AND AN INOPERATIVE BRAKE SYSTEM DURING LANDING ROLL.
Accident investigation:
 |
|
Sources:
NTSB BFO90LA080
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 20-Mar-2024 17:46 | ASN Update Bot | Added |
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