ASN Wikibase Occurrence # 173837
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| Date: | Sunday 11 January 2004 |
| Time: | 14:10 |
| Type: |  Aero Commander 500 |
| Owner/operator: | Private |
| Registration: | N800SL |
| MSN: | 740 |
| Year of manufacture: | 1959 |
| Total airframe hrs: | 2750 hours |
| Engine model: | Lycoming O-540 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Allendale, SC -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Allendale, SC (88J) |
| Allendale, SC (88J) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
According to the pilot, while on takeoff roll the airplane began to "track right", differential braking input was applied to line up the airplane with the runway center line. When brakes were applied to stop the airplane, they failed and the airplane veered off the left side of the runway into a ditch. Examination of the wheel brakes revealed that the hydraulic pucks were leaking, and the brake disc and linings were worn. Examination of the accumulator revealed the diaphragm was ruptured and the system would not maintain pressure. No other flight control or mechanical problems were reported by the pilot.
Probable Cause: The failure of the hydraulic brake system accumulator due to a ruptured diaphragm. A factor was the ditch.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20040112X00049&key=1
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 14-Feb-2015 17:09 | Noro | Added |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 07-Dec-2017 17:37 | ASN Update Bot | Updated [Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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