ASN Wikibase Occurrence # 371425
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| Date: | Thursday 10 March 1988 |
| Time: | 19:30 LT |
| Type: |  Piper PA-34-200T |
| Owner/operator: | Private |
| Registration: | N1555X |
| MSN: | 34-7570284 |
| Year of manufacture: | 1975 |
| Total airframe hrs: | 4082 hours |
| Engine model: | CONTINENTAL TSIO-360-E |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Lower Lake, CA -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Redding, CA (KRDD) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DRG THE LNDG ROLL, THE LEFT MAIN LNDG GEAR COLLAPSED & THE ACFT VEERED OFF THE RWY, FURTHER DAMAGING THE AIRCRAFT. AN INVESTIGATION REVEALED THE LEFT MAIN LANDING GEAR TRUNNION HAD FAILED. IT HAD FAILED DIAGONALLY APRX 5 INCHES FROM THE BOTTOM OF THE TRUNNION & 2 INCHES BELOW THE ROTATING AXIS. A METALLURGICAL EXAM REVEALED PREEXISTING FATIGUE WHERE THE FRACTURE OCCURRED. THE TRUNNION HAD BEEN IN SVC FOR APRX 4081 HRS OF OPERATION. PIPER SVC BULLETIN #787A, DATED 8/15/85, ADDRESSED THE POSSIBILITY OF CRACKS DEVELOPING IN THE AREA OF THE FAILURE. IT RECOMMENDED THAT AFTER THE 1ST 1000 HRS IN SVC, TRUNNIONS BE INSPECTED AT INTERVALS NOT TO EXCEED 100 HRS UNTIL REPLACED. THE LAST ANNUAL INSPECTION WAS DATED 3/8/88, BUT THERE WAS NO LOGBOOK ENTRY TO INDC THE INSPECTIONS HAD BEEN COMPLETED. THE ACFT HAD FLOWN ONLY 4 HRS SINCE THE LAST INSPECTION.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB LAX88LA122
History of this aircraft
Other occurrences involving this aircraft
| 18 January 2011 | N1555X | Millennium Enterprise | 0 | Branch County Memorial Airport in Coldwater, MI | |
min |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 26-Mar-2024 06:07 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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