Safety Incidents OSHA Severe Injury Reports · 2015–2025
105,991Records 71,450Employers 85,836Hospitalizations 27,959Amputations 2015-01-01 2025-11-30

OSHA Accident Investigation · Summary #14348072

AIR DRO

Event
CHEST, FRACTURE, SHEAR, HYDRAULIC CYLINDER, BEARING, BOLT, HIGH PRESSURE, STRUCK BY, FLYING OBJECT, INATTENTION
NAICS
000000
Inspection type
Accident-driven
Activity number
#105987028
Employer profile
AIR DRO
Summary number
14348072
Report ID
418300

Event description

One employee killed, one injured by projectile bearing

Investigation abstract

At approximately 6:30 a.m. on September 16, 1988, Employee #1 was testing a hydr aulic cylinder in a test stand. When he inadvertently turned on an air control s witch at the operator's control panel, air was introduced into the rod end of th e cylinder. The intensified pressure built up until the rod-bearing retainer bol ts sheared, causing the bearing and bearing retainer to become a projectile that struck Employee #1 on the left arm, breaking it above the wrist. The bearing an d bearing retainer traveled another 25 feet and struck Employee #2, a bystander, on his chest, killing him instantly.

Victims (2)

  1. #1 Hospitalized Age 27 M

    Nature of injury
    12
    Part of body
    2
    Event type
    1
    Source
    6
    Occupation code
    999
    Human factor
    17
    Environmental factor
    5
    Hazardous substance
    8880
    Task assigned
    1
  2. #2 Fatality Age 21 M

    Nature of injury
    12
    Part of body
    2
    Event type
    1
    Source
    6
    Occupation code
    999
    Human factor
    17
    Environmental factor
    5
    Task assigned
    2

Codes shown verbatim from OSHA's accident-investigation database. A human-readable decoder is coming in a future release once the accident_lookup2 dictionary is loaded.