Date: 11th December 2024
Location: Near Zacatecas, Mexico
Aircraft: Airbus A320-200, registration 9H-SWI
Operator: VivaAerobus
Flight Number: VB-1000
Route: Mexico City to Ciudad Juarez (Mexico)
Occupants: Unknown
Injuries: None reported
Damage: None reported
Summary of Events
On 11th December 2024, VivaAerobus flight VB-1000 from Mexico City to Ciudad Juarez was cruising at FL340 when the crew detected smoke and a burning smell in the cabin. As a precaution, the flight diverted to Zacatecas International Airport. The aircraft landed safely on runway 20 approximately 20 minutes after the crew initiated the diversion.
The airline dispatched a replacement aircraft to transport passengers to Ciudad Juarez, resulting in a delay of approximately 5 hours and 45 minutes. The affected aircraft underwent inspection and returned to service after being ferried to Monterrey for maintenance.
Sequence of Events
1. Enroute and Initial Indication:
• While cruising at FL340, the crew and passengers reported a burning smell and visible smoke in the cabin.
2. Decision to Divert:
• The crew declared an emergency and diverted to the nearest airport, Zacatecas.
3. Landing at Zacatecas:
• The aircraft made a safe landing on runway 20. Emergency services were on standby but were not required.
4. Replacement and Continuation of Flight:
• A replacement Airbus A320-200, registration XA-VDB, was dispatched to continue the flight to Ciudad Juarez.
5. Inspection and Maintenance:
• The affected aircraft was inspected and later repositioned to Monterrey for further maintenance before returning to service.
Initial Findings
Possible Causes:
1. Electrical System Fault:
• A potential malfunction in cabin systems, such as wiring or air conditioning, could have caused the smoke and burning smell.
2. Overheated Components:
• Overheating of electrical or mechanical components may have led to smoke generation.
Safety Risks
1. Passenger and Crew Safety:
• Smoke and the smell of burning can cause panic and potential respiratory distress for those onboard.
2. Operational Impact:
• Diversions lead to delays, additional costs, and potential disruptions to schedules.
Recommendations
1. Enhanced Maintenance Checks:
• Conduct a detailed inspection of all cabin systems and electrical components, focusing on areas prone to overheating or failure.
2. Crew Training:
• Reinforce emergency procedures for managing smoke incidents, ensuring timely communication and passenger safety.
3. Passenger Briefing:
• Provide clear instructions to passengers during smoke-related emergencies to reduce panic and ensure orderly response.
Safety Lessons
This incident highlights the importance of proactive maintenance and real-time decision-making by flight crews. Prompt action to divert ensured the safety of passengers and crew, demonstrating the effectiveness of emergency protocols.
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Our investigation reports are based on all the evidence and facts we have at the time of writing and posting. We apologise if any details are missed or are not fully accurate.
