Serious incident McDonnell Douglas DC-8-63F N794AL,
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ASN Wikibase Occurrence # 236301
 
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Date:Wednesday 13 November 1991
Time:05:45 LT
Type:Silhouette image of generic DC86 model; specific model in this crash may look slightly different    
McDonnell Douglas DC-8-63F
Owner/operator:Flagship Express
Registration: N794AL
MSN: 45923
Year of manufacture:1968
Engine model:P&W JT3D-7
Fatalities:Fatalities: 0 / Occupants: 3
Aircraft damage: Minor
Category:Serious incident
Location:Toledo-Express Airport, OH (TOL/KTOL) -   United States of America
Phase: En route
Nature:Unknown
Departure airport:
Destination airport:Los Angeles, CA (KLAX)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
THE MAIN CARGO DOOR OPENED IN FLIGHT AND THE AIRPLANE RETURNED FOR A NORMAL LANDING. OF THE TWO CIRCUIT BREAKERS REQUIRED TO BE PULLED PRIOR TO TAKEOFF, ONE WAS FOUND STILL ENGAGED. A CONFORMITY INSPECTION ON THE CARGO DOOR INSTALLATION REVEALED SEVERAL AREAS OF NONCONFORMITY INCLUDING DOOR LOCKS OF LESS THAN REQUIRED STRENGTH, LACK OF PAINT ON DOOR LOCKS WHICH IS USED FOR VISUAL IDENTIFICATION, AND DAMAGED WIRES IN A BUNDLE. THE WIRES WERE PART OF THE DOOR CLOSING, DOOR LOCKED INDICATING SYSTEM. THE INVESTIGATION REVEALED IT WAS POSSIBLE FOR THE DOOR TO BE NOT COMPLETELY CLOSED AND HAVE THE DOOR WARNING LIGHT GO OUT, INDICATING IT WAS FULLY LOCKED.

Probable Cause: THE FAILURE OF THE FLIGHT ENGINEER TO CONDUCT A PROPER PREFLIGHT INSPECTION AND ENSURE THE MAIN CARGO DOOR WAS FULLY CLOSED AND LOCKED. FACTORS RELATED TO THE ACCIDENT WERE THE DAMAGED WIRES IN THE BUNDLE, AND THE IMPROPER MAIN CARGO DOOR INSTALLATION.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: NYC92IA030
Status: Investigation completed
Duration: 1 year and 5 months
Download report: Final report

Sources:

NTSB NYC92IA030

Location

Revision history:

Date/timeContributorUpdates
22-May-2020 06:35 tigerdude10 Added
22-May-2020 06:35 harro Updated [Operator]
26-May-2020 18:11 tigerdude10 Updated [Departure airport, Destination airport]
11-Apr-2024 11:20 ASN Update Bot Updated [Time, Cn, Operator, Other fatalities, Phase, Nature, Departure airport, Destination airport, Source, Narrative, Category, Accident report]

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