Date: December 30, 2024
Aircraft Involved:
• Aircraft Type: Embraer ERJ-175
• Registration: N307SY
• Operator: SkyWest Airlines on behalf of Delta Air Lines
• Flight Number: DL-3963
• Route: Spokane, WA (USA) to Salt Lake City, UT (USA)
Incident Overview
SkyWest Airlines flight DL-3963, operated on behalf of Delta Air Lines, encountered a left-hand brake fault indication during final approach to Salt Lake City’s runway 34R. The crew executed a go-around, declared an emergency, and returned for an ILS approach to the same runway. The aircraft landed safely and taxied to the apron under its own power. No injuries were reported among the 69 occupants.
Sequence of Events
1. Final Approach:
• During the approach to Salt Lake City, the crew received a left-hand brake fault indication.
2. Go-Around:
• To assess the situation, the crew initiated a go-around and coordinated with ATC to prepare for an emergency landing.
3. Emergency Declaration:
• The crew declared an emergency to ensure priority handling and precautionary response by ground services.
4. Landing and Taxi:
• The aircraft conducted an ILS approach and landed safely on runway 34R.
• The aircraft vacated the runway and taxied to the apron without requiring a tow.
Initial Findings and Hypotheses
1. Brake Fault:
• The fault indication suggests a possible issue with the brake control system, such as a sensor malfunction or hydraulic anomaly.
2. Crew Response:
• The crew’s decision to execute a go-around and declare an emergency aligns with safety protocols and ensured a controlled landing.
3. Aircraft Status:
• The aircraft remained on the ground for further inspection, indicating that maintenance was required to address the brake system issue.
Recommendations
1. Brake System Inspection:
• Conduct a detailed inspection of the left-hand brake system, including hydraulic lines, sensors, and actuators, to identify the root cause.
2. Crew Training:
• Review the incident during training sessions to reinforce emergency handling procedures for brake-related issues.
3. Preventive Maintenance:
• Implement checks for early detection of brake system anomalies during regular maintenance of ERJ-175 aircraft.
4. Communication Improvements:
• Enhance communication protocols to ensure passengers are kept informed during emergencies, minimizing anxiety.
Disclaimer
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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.
