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20020928027689A

Accident · Substantial damage
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FAA accident report · Cessna 421B · Mineral Wells, TX · September 28, 2002

FAA Aviation Safety Information Portal

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Date
September 28, 2002 · 10:45 local
Place
Mineral Wells, TX
Airport
Mineral Wells Airport
Operating rules
General operating rules (Part 91)
Damage
Substantial damage
Aircraft
N7926R
NTSB investigation
NTSBFTW02LA269
Reported as
Cessna 421B
N7926RRegistration cancelled Apr 11, 2013 · Cessna 421BS/N 421B-0370 · Built 1973Airframe modelCessna 421BEngine modelContinental GTSIO-520-CReciprocating

From the FAA’s Accident/Incident Data System (AIDS), through its Aviation Safety Information Portal, as reported. The NTSB investigates accidents separately, and its record of an accident is the fuller one. The aircraft is matched to the registry by N-number and event date, checked against the reported make and model; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

What happened

The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.

(-23) On September 28, 2002, at 10:45 CST, a Cessna model 421B, registration number N7926R, operated by jon anthony o'brien, commercial pilot certificate number 463270545, crashed during landing on runway 13, Mineral Wells municipal airport (mwl). The flight originated at arlington municipal airport (gky). According to the pilot and witnesses, the left main landing gear failed after touchdown, allowing the left wingtip and propeller to contact the runway, with subsequent loss of directional control. The aircraft departed the runway came to rest approximately 50 feet left of runway 13 at mid field. There were no injuries. The aircraft was substantially damaged. Visual meteorological conditions prevailed, and no flight plan was filed. The left landing gear downlock link adjusting screw showed evidence of a pre-accident fatigue crack. Articulation of the left main gear downlock link, part number 0841110, was restricted by an improperly positioned bearing in the left main landing gear downlock link end fitting, part number 0841111. The affected parts were removed from the aircraft and forwarded to NTSB for a detailed examination.

As the FAA filed it

(-23) ON SEPTEMBER 28, 2002, AT 10:45 CST, A CESSNA MODEL 421B, REGISTRATION NUMBER N7926R, OPERATED BY JON ANTHONY O'BRIEN, COMMERCIAL PILOT CERTIFICATE NUMBER 463270545, CRASHED DURING LANDING ON RUNWAY 13, MINERAL WELLS MUNICIPAL AIRPORT (MWL). THE FLIGHT ORIGINATED AT ARLINGTON MUNICIPAL AIRPORT (GKY). ACCORDING TO THE PILOT AND WITNESSES, THE LEFT MAIN LANDING GEAR FAILED AFTER TOUCHDOWN, ALLOWING THE LEFT WINGTIP AND PROPELLER TO CONTACT THE RUNWAY, WITH SUBSEQUENT LOSS OF DIRECTIONAL CONTROL. THE AIRCRAFT DEPARTED THE RUNWAY CAME TO REST APPROXIMATELY 50 FEET LEFT OF RUNWAY 13 AT MID FIELD. THERE WERE NO INJURIES. THE AIRCRAFT WAS SUBSTANTIALLY DAMAGED. VISUAL METEOROLOGICAL CONDITIONS PREVAILED, AND NO FLIGHT PLAN WAS FILED. THE LEFT LANDING GEAR DOWNLOCK LINK ADJUSTING SCREW SHOWED EVIDENCE OF A PRE-ACCIDENT FATIGUE CRACK. ARTICULATION OF THE LEFT MAIN GEAR DOWNLOCK LINK, PART NUMBER 0841110, WAS RESTRICTED BY AN IMPROPERLY POSITIONED BEARING IN THE LEFT MAIN LANDING GEAR DOWNLOCK LINK END FITTING, PART NUMBER 0841111. THE AFFECTED PARTS WERE REMOVED FROM THE AIRCRAFT AND FORWARDED TO NTSB FOR A DETAILED EXAMINATION.

NTSB investigation

The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.

NTSB FTW02LA269Accident · No injuriesLimited investigationFinal reportMineral Wells, TXThe pilot's failure to maintain a proper descent rate which resulted hard landing and a subsequent failure of the main landing gear.Sep 28, 2002 · Substantial damage