SERS · MCDONNELL DOUGLAS MD-83 · 1993-10-03 · MIAMI, FL, USA
Event
NTSB number
MIA94FA001
Event ID
20001211X13610
Type
Accident
Date
1993-10-03
Location
MIAMI, FL, USA
Injuries
Highest injury
SERS
Fatal
0
Serious
1
Minor
1
Uninjured
80
Total aboard
82
Aircraft
Make
MCDONNELL DOUGLAS
Model
MD-83
Registration
9YTHR
FAR Part
129
Engines
2
Damage
SUBS
Conditions
Light
DAYL
Weather
VMC
Probable cause
THE FAILURE OF THE WATER HEATER RELAY AND THE OVERPRESSURE RELIEF VALVE TO OPERATE PROPERLY. IN ADDITION, THE DESIGN OF THE RELIEF VALVE WAS INADEQUATE IN THAT IT ALLOWED THE O-RING TO MIGRATE FROM ITS NORMAL POSITION PREVENTING THE VALVE FROM OPENING.