Aircraft Accident/Incident Report

Medan Indonesia
Thursday, December 28, 2006 8:00 UTC

NTSB Narrative Summary Released at Completion of Accident

On December 28, 2006, at around 0800 UTC, a Boeing 737-400, registration PK-KKC, operated by Adam Air experienced a broken left torque link following a no-flap landing at Medan-Polonia airport, Sumatra, Indonesia. The flight was a scheduled domestic passenger flight from Jakarta, Indonesia. Upon arrival at Medan, the crew executed a go-around due to an unspecified flap problem, and elected to land with no flaps deployed. After the landing the crew reported a heavy vibration, and after parking it was discovered that the left main torque link and a hydraulic line were broken. There were no reported injuries among the unknown number of crew and passengers. The accident is being investigated by the Indonesian NTSC. Republic of Indonesia Ministry of Communications National Transportation Safety Committee Gedung Karsa Lt. 7 Departemen Perhubungan Jalan Medan Merdeka Barat No. 8 Jakarta 10110 - Indonesia

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Incident
Event Date 12/28/2006
Event Day of the Week Thursday
Time of Event 800
Event Time Zone Coordinated Universal Time? Same as GMT
Event City Medan
Event State --
Event Country INDONESIA
Zipcode of the event site --
Event Date Year 2006
Event Date Month 12
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude --
Event Location Longitude --
Event Location Airport --
Event Location Nearest Airport ID --
Indicates whether the acc/inc occurred off or on an airport --
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness --
Investigator's weather source --
Time of the weather observation
Direction of event from weather observation facility (degrees) --
Weather Observation Facility ID --
Elevation of weather observation facility --
Distance of event from weather observation facility (units?) --
Time Zone of the weather observation --
Lighting Conditions --
Lowest Ceiling Height --
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions --
Sky Condition for Lowest Ceiling --
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) --
Variable Wind Indicator --
Wind Speed (knots) --
Wind Velocity Indicator --
Wind Gust Indicator --
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor --
Injury Total None 2
Injury Total Serious --
Injury Total All --
Investigating Agency Foreign
NTSB Docket Number (internal use) --
NTSB Notification Source NTSC
NTSB Notification Date Dec 28 2006 12:00AM
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Jan 12 2007 2:22PM
User who most recently changed record DELI
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number --
NTSB Number DCA07WA018
Missing Aircraft Indicator --
Federal Aviation Reg. Part Non-U.S., Commercial
Type of Flight Plan filed IFR
Flight plan Was Activated? Yes
Damage Substantial
Aircraft Fire --
Aircraft Explosion --
Aircraft Manufacturer's Full Name Boeing
Aircraft Model 737-400
Aircraft Series Identifier --
Aircraft Serial Number --
Certified Max Gross Weight --
Aircraft Category Airplane
Aircraft Registration Class --
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft --
Number of Engines --
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection --
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed --
ELT Activated --
ELT Aided Location of Event Site --
ELT Type --
Aircraft Owner Name --
Aircraft Owner Street Address --
Aircraft Owner City --
Aircraft Owner State --
Aircraft Owner Country --
Aircraft Owner Zipcode --
Operator is an individual? --
Operator Name --
Operator Same as Owner? --
Operator Is Doing Business As --
Operator Address Same as Owner? --
Operator Street Address --
Operator City --
Operator State --
Operator Country ID
Operator Zip code --
Operator Code --
Owner has at least one certificate None
Other Operator of large aircraft? --
Certified for Part 133 or 137 Operation --
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not Scheduled
Indicates Domestic or International Flight Domestic
Operator carrying Pax/Cargo/Mail Passenger Only
Type of Flying (Per_Bus / Primary) --
Second Pilot on Board --
Departure Point Same as Event No
Departure Airport Code --
Departure City Jakarta
Departure State --
Departure Country ID
Departure Time --
Departure Time Zone --
Destination Same as Local Flt crash at destination city
Destination Airport Code --
Destination City Medan
Destination State --
Destination Country ID
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 12 2007 2:22PM
User who most recently changed record DELI
Since inspection or accident --
Event Location Runway Number and Location --
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --