ASN Wikibase Occurrence # 145568
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Date: | Wednesday 9 May 2012 |
Time: | 10:30 |
Type: | Cessna T210K Turbo Centurion |
Owner/operator: | Corporate Services Llc |
Registration: | N727FA |
MSN: | 21059414 |
Total airframe hrs: | 3973 hours |
Engine model: | Continental IO-550 |
Fatalities: | Fatalities: 0 / Occupants: 2 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Midland International Airport - KMAF, Midland, TX -
United States of America
|
Phase: | Landing |
Nature: | Private |
Departure airport: | Baton Rouge, LA (BTR) |
Destination airport: | Midland, TX (MAF) |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:The pilot realized that the right main landing gear failed to extend before landing; they followed the emergency checklist procedure to manually pump the gear down. However, the pilot was unable to extend the gear, and the right main landing gear collapsed upon landing. When the airplane was recovered, the right gear was locked in the extended position, and the airplane was towed to a hangar and placed on jacks. The landing gear was then cycled successfully numerous times; the right main landing gear's failure to extend could not be duplicated. Further examination revealed that the top end of the right main landing gear's downlock adjustment screw was slightly bent. When the bent screw was positioned so that it leaned against the landing gear's downlock mechanism during the extension cycle, the landing gear system's downlock engaged before the gear was fully seated in the gear saddle. The position of the adjustment downlock screw was not documented until after the landing gear had been cycled several times; however, the condition is consistent with the pilot’s inability to manually extend the landing gear using the emergency hand pump. No other mechanical anomalies were noted, and the landing gear system operated normally after the adjustment downlock screw was replaced. It is unknown how the downlock adjustment screw got bent or how long it had been in that condition.
Probable Cause: The failure of the right main landing gear to fully extend before landing due to a bent downlock adjustment screw.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | CEN12LA300 |
Status: | Investigation completed |
Duration: | 1 year and 6 months |
Download report: | Final report |
|
Sources:
NTSB
FAA register:
https://www.faa.gov/data_research/accident_incident/preliminary_data/events01/media/11_727FA.txt http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=727FA&x=0&y=0 https://www.ntsb.gov/aviationquery/brief.aspx?ev_id=20120515X91833&key=1 https://flightaware.com/live/flight/N727FA https://www.faa.gov/data_research/accident_incident/preliminary_data/events01/media/11_727FA.txt http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=727FA&x=0&y=0 https://www.ntsb.gov/aviationquery/brief.aspx?ev_id=20120515X91833&key=1 https://flightaware.com/live/flight/N727FA Location
Revision history:
Date/time | Contributor | Updates |
10-May-2012 18:21 |
Geno |
Added |
17-May-2012 14:12 |
Geno |
Updated [Time, Nature, Source, Damage, Narrative] |
21-Dec-2016 19:28 |
ASN Update Bot |
Updated [Time, Damage, Category, Investigating agency] |
27-Nov-2017 20:40 |
ASN Update Bot |
Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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