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NTSB Report
June 27, 1987 · Mcdonnell Douglas DC-10-30 · N391EA
Miami, FL
Overview
Report Status
Preliminary report
Event Type
Incident
Date
June 27, 1987
Injury Outcomes
1 injury (1 minor injury), 220 uninjured
Location
Miami, FL
Aircraft
Mcdonnell Douglas DC-10-30
Tail Number
N391EA
Operator
Eastern Airlines
Injuries
Minor
NTSB Number
DCA87IA037
EAL FLIGHT 23 EXPERIENCED A RAPID DECOMPRESSION DURING DESCENT INTO MIAMI. FLIGHT 23 DEPARTED LAX WITH 3 FLIGHT CREW, 8 F/A AND 210 PAX. ON CLIMBOUT THE S/O OBSERVED THAT THE MANUAL OUTFLOW VALVE CONTROL WHEEL DID NOT MOVE TOWARD THE 1/2 CLOSED POSITION AS IT SHOULD HAVE. PRESS SYSTEM WAS BEING OPERATED IN SEMI-AUTO MODE. S/O TRIED STANDBY SYSTEM, THEN WENT TO MANUAL. HE OBSERVED THAT THE MANUAL CONTROL WHEEL WAS HARD TO MOVE. S/O USED MANUAL CONTROL TO CRUISE ALT, THEN TRIED STANDBY SYS WHICH HELD CABIN ALT. UPON DESCENT TO MIA, THE WHEEL MOVED RAPIDLY TO THE OPEN POSITION. S/O WAS UNABLE TO CLOSE OUTFLOW VALVE USING MANUAL SYSTEM-WHEEL WOULD NOT MOVE. CREW DONNED 02 MASKS AND EXECUTED EMGY DESCNT T0 10,000, AT 5500 FPM. ACFT WAS LANDED WITH OUTFLOW VALVE FULL OPEN. ONE F/A SUFFERED RUPTURED EAR DRUM AND ONE 02 GENERATOR CANISTER CAUSED SMOKE IN CABIN.
Full Narrative
EAL FLIGHT 23 EXPERIENCED A RAPID DECOMPRESSION DURING DESCENT INTO MIAMI. FLIGHT 23 DEPARTED LAX WITH 3 FLIGHT CREW, 8 F/A AND 210 PAX. ON CLIMBOUT THE S/O OBSERVED THAT THE MANUAL OUTFLOW VALVE CONTROL WHEEL DID NOT MOVE TOWARD THE 1/2 CLOSED POSITION AS IT SHOULD HAVE. PRESS SYSTEM WAS BEING OPERATED IN SEMI-AUTO MODE. S/O TRIED STANDBY SYSTEM, THEN WENT TO MANUAL. HE OBSERVED THAT THE MANUAL CONTROL WHEEL WAS HARD TO MOVE. S/O USED MANUAL CONTROL TO CRUISE ALT, THEN TRIED STANDBY SYS WHICH HELD CABIN ALT. UPON DESCENT TO MIA, THE WHEEL MOVED RAPIDLY TO THE OPEN POSITION. S/O WAS UNABLE TO CLOSE OUTFLOW VALVE USING MANUAL SYSTEM-WHEEL WOULD NOT MOVE. CREW DONNED 02 MASKS AND EXECUTED EMGY DESCNT T0 10,000, AT 5500 FPM. ACFT WAS LANDED WITH OUTFLOW VALVE FULL OPEN. ONE F/A SUFFERED RUPTURED EAR DRUM AND ONE 02 GENERATOR CANISTER CAUSED SMOKE IN CABIN.
Flight
Event TypeIncident
Event Time21:05 EDT
Nearest AirportMiami Int'L (0nm N)
Runway9L
Runway Length10502 ft
Runway Width200 ft
Flight Plan FiledIFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftMcdonnell Douglas DC-10-30
Tail NumberN391EA
Aircraft CategoryAir
OperatorEastern Airlines
Operating RulePart 121
Engines3
Engine TypeTurbofan
Engine DetailsGe · CF6-6D · Turbofan · 40500
Seats240
People & Injuries
Injury Summary1 injury (1 minor injury), 220 uninjured
Fatal0
Serious0
Minor1
Uninjured220
Total221
Crew 1Age 57 · First Class
Conditions
ConditionsVMC
LightDark Night
WindCalm
CeilingNone
Temperature / Dew Point0 C / 0 C
Altimeter0