Serious incident de Havilland Canada DHC-8-100 N800MX, Wednesday 25 July 1990
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Date:Wednesday 25 July 1990
Time:16:50 LT
Type:Silhouette image of generic DH8A model; specific model in this crash may look slightly different    
de Havilland Canada DHC-8-100
Owner/operator:Eastern Metro Express
Registration: N800MX
MSN: 1259
Engine model:P&W 121A
Fatalities:Fatalities: 0 / Occupants: 28
Other fatalities:0
Aircraft damage: None
Category:Serious incident
Location:Panama City, FL -   United States of America
Phase: Initial climb
Nature:Unknown
Departure airport:
Destination airport:Atlanta, GA (KATL)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
DURING AN ATTEMPTED TAKEOFF ROLL THE CREW NOTED A WARNING LIGHT INDICATING WING SPOILER DEPLOYMENT AND ABORTED THE TAKEOFF. COMPANY MAINTENANCE PERSONNEL DEACTIVATED THE WING SPOILER SYSTEM AND THE WING SPOILER WARNING SYSTEM. AFTER TAKEOFF THE CREW EXPERIENCED ROLL CONTROL DIFICULTY AND RETURNED AND LANDED. EXAMINATION REVEALED THAT THE RIGHT OUTBOARD SPOILER PANEL HAD DEPLOYED WITH NO WARNING. THE ACTUATOR WAS REMOVED AND THE HYDRAULIC SEAL WAS FOUND CUT AND LEAKING AROUND THE PISTON THAT WAS WORN BEYOND SERVICABLE LIMITS.

Probable Cause: FAILURE OF SEAL IN THE HYDRAULIC ACTUATOR FOR THE RIGHT OUTBOARD WING SPOILER PANEL FOR UNKNOWN REASONS.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: MIA90IA159
Status: Investigation completed
Duration: 2 years and 5 months
Download report: Final report

Sources:

NTSB MIA90IA159

Location

Revision history:

Date/timeContributorUpdates
21-Mar-2024 09:18 ASN Update Bot Added

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