ASN Wikibase Occurrence # 360653
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| Date: | Thursday 31 March 1994 |
| Time: | 19:15 LT |
| Type: |  Cessna T210-M |
| Owner/operator: | Private |
| Registration: | N732YK |
| MSN: | 21061879 |
| Year of manufacture: | 1977 |
| Total airframe hrs: | 2540 hours |
| Engine model: | CONTINENTAL TSIO-520-R |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Pomona, MO -
 United States of America
|
| Phase: | Approach |
| Nature: | Private |
| Departure airport: | Addison, TX (KADS) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
WHILE LOWERING THE WHEELS FOR LANDING, THE LEFT MAIN LANDING GEAR DOOR ACTUATOR PISTON SEPERATED FROM ITS CYLINDER, RESULTING IN A TOTAL LOSS OF HYDRAULIC FLUID. THE LEFT MAIN AND NOSE WHEEL LOCKED DOWN, AND THE RIGHT WHEEL REMAINED IN A TRAILING POSITION. AFTER FLYING FOR 2 MORE HOURS ATTEMPTING VARIOUS METHODS OF LOCKING THE RIGHT MAIN WHEEL DOWN, THE PILOT ELECTED TO LAND. DURING ROLLOUT, THE AIRPLANE DEPARTED THE RUNWAY AND SUSTAINED SUBSTANTIAL DAMAGE. THE SNAP RING WHICH RETAINS THE ROD END IN THE HYDRAULIC CYLINDER WAS INTACT BUT HAD SEPARATED FROM ITS RETENTION GROOVE. NO DAMAGE WAS APPARENT TO THE SNAP RING GROOVE. THE HYDRAULIC CYLINDER WAS REASSEMBLED AND ACTUATION TESTS WERE NORMAL WITH NO LEAKS. THERE WAS NO RECORD OF MAINTENANCE PERFORMED ON THE ACTUATOR WITHIN THE LAST 8 YEARS. LABORATORY INSPECTION REVEALED THAT THE GROOVE AND CYLINDER WERE MACHINED ACCORDING TO SPECIFICATIONS. THERE WAS A SLIGHT DEFORMATION OF THE GROOVE LIP, BUT IT COULD NOT BE DETERMINED TO BE PRE-EXISTING.
Probable Cause: The seperation of the landing gear door actuator, resulting in total loss of hydraulic fluid.
Accident investigation:
 |
|
Sources:
NTSB CHI94LA125
History of this aircraft
Other occurrences involving this aircraft
| 31 December 2008 | N732YK | 0 | Fort Collins, Colorado | |
sub | |
| Fuel starvation | ||||||
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 16-Mar-2024 09:41 | ASN Update Bot | Added |
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