<< >> NASA ASRS Report 82653, February 1988

Improperly secured cargo broke loose on takeoff shifted aft causing damage and then shifted forward on landing resulting in aircraft damage.

Attributes
ACN	82653
Time
Date	198802
Day	Fri
Local Time Of Day	0001 To 0600
Place
Locale Reference	airport : sea
State Reference	WA
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Flight Phase	climbout : takeoff landing other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : cfi pilot : flight engineer pilot : atp
Experience	flight time last 90 days : 150 flight time total : 7000 flight time type : 300
ASRS Report	82653
Person 2
Function	other personnel other
Events
Anomaly	non adherence : far other anomaly other
Independent Detector	other flight crewa
Resolutory Action	none taken : detected after the fact
Consequence	other
Supplementary
Primary Problem	Airport
Air Traffic Incident	other

Narrative:

On department out of sea a dozer blade which was strapped down (it was 8' long 18' wide X 1 1/4' thick) broke the tie down strap and slid off about 20' and hit some other cargo which was pushed up and damaged a psu (passenger service unit). We didn't know the blade broke loose, so on landing rollout the blade slid (being on rollers) foreward 30' going through the cargo net...damaging the interior of the L-1 door, the slide housing. After arriving at the gate the captain discovered the damage. Considerations: to make sure the cargo handlers have used enough and strong enough cargo straps to hold the cargo down. Callback conversation revealed the following: cargo loaders were depending on tie down straps and did not take into account the shape and weight of the cargo. Had the cargo not shifted side ways when it came forward on landing it would probably have entered the cockpit area with possible serious damage.

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Original NASA ASRS Text

Title: IMPROPERLY SECURED CARGO BROKE LOOSE ON TKOF SHIFTED AFT CAUSING DAMAGE AND THEN SHIFTED FORWARD ON LNDG RESULTING IN ACFT DAMAGE.

Narrative: ON DEPT OUT OF SEA A DOZER BLADE WHICH WAS STRAPPED DOWN (IT WAS 8' LONG 18' WIDE X 1 1/4' THICK) BROKE THE TIE DOWN STRAP AND SLID OFF ABOUT 20' AND HIT SOME OTHER CARGO WHICH WAS PUSHED UP AND DAMAGED A PSU (PASSENGER SERVICE UNIT). WE DIDN'T KNOW THE BLADE BROKE LOOSE, SO ON LANDING ROLLOUT THE BLADE SLID (BEING ON ROLLERS) FOREWARD 30' GOING THROUGH THE CARGO NET...DAMAGING THE INTERIOR OF THE L-1 DOOR, THE SLIDE HOUSING. AFTER ARRIVING AT THE GATE THE CAPT DISCOVERED THE DAMAGE. CONSIDERATIONS: TO MAKE SURE THE CARGO HANDLERS HAVE USED ENOUGH AND STRONG ENOUGH CARGO STRAPS TO HOLD THE CARGO DOWN. CALLBACK CONVERSATION REVEALED THE FOLLOWING: CARGO LOADERS WERE DEPENDING ON TIE DOWN STRAPS AND DID NOT TAKE INTO ACCOUNT THE SHAPE AND WEIGHT OF THE CARGO. HAD THE CARGO NOT SHIFTED SIDE WAYS WHEN IT CAME FORWARD ON LNDG IT WOULD PROBABLY HAVE ENTERED THE COCKPIT AREA WITH POSSIBLE SERIOUS DAMAGE.

Data retrieved from NASA's ASRS site as of August 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.