Serious incident Piper PA-31-350 N200VF, Friday 19 August 1983
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Date:Friday 19 August 1983
Time:17:45 LT
Type:Silhouette image of generic PA31 model; specific model in this crash may look slightly different    
Piper PA-31-350
Owner/operator:Island Air Service
Registration: N200VF
MSN: 31-7405445
Year of manufacture:1974
Total airframe hrs:5236 hours
Engine model:Lycoming TIO-540-J2BD
Fatalities:Fatalities: 0 / Occupants: 1
Other fatalities:0
Aircraft damage: Minor
Category:Serious incident
Location:Anchorage, AK -   United States of America
Phase: Initial climb
Nature:Unknown
Departure airport:Kodiak, AK (ADQ)
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
DURING TAKEOFF AT KODIAK, AK, THE WHEEL & LOWER SHAFT OF THE LEFT STRUT ASSY SEPARATED FROM THE ACFT. THE PLT STATED THAT WHEN HE WAS RETRACTING THE GEAR, HE FELT A BUMP & GOT AN UNSAFE GEAR LIGHT. HE IMMEDITAELY EXTENDED THE GEAR & FLEW BY THE TOWER & WAS INFORMED THAT THE LEFT GEAR APPEARED TO BE MISSING. THE PLT THEN FLEW TO ANCHORAGE WHERE HE COULD LAND ON A FOAMED RWY. HE WAS UNABLE TO RETRACT THE GEAR. BEFORE LANDING, HE SHUT DOWN & SECURED THE LEFT ENG. THE LEFT WING RECEIVED MINOR DAMAGE DURING THE LANDING. AN EXAM OF THE TOP MAIN GEAR BEARING REVEALED THAT 2 OF 4 RETAINING PINS, PN 01821-06, WERE MISSING & THE OTHER 2 WERE SHEARED OFF. AN EXAM OF THE RIGHT MAIN GEAR RETAINING PINS REVEALED THAT 2 HAD CRACKS IN THE NECK REGION. EARLIER ON THE SAME DAY OF THE INCIDENT, THE ACFT HAD AN UNSAFE GEAR INDICATION. MAINTENANCE PERSONNEL HAD INSPECTED, REMOVED, CLEANED, GREASED & REINSTALLED ALL ACTUATING RODS & HAD ADJUSTED THE LEFT GEAR UPLOCK. THE ACFT WAS THEN RELEASED FOR A TEST FLT, ON WHICH, THE INCIDENT OCCURRED.

Probable Cause:

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: ANC83IA150
Status: Investigation completed
Duration:
Download report: Final report

Sources:

NTSB ANC83IA150

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Revision history:

Date/timeContributorUpdates
01-Apr-2024 23:41 ASN Update Bot Added

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