A B737 incurred damage when a belt loader was positioned at the rear door and raised up to unload seat cushions. The vehicle jerked forward striking the fuselage rear door area.

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Attributes
ACN	663699
Time
Date	200506
Local Time Of Day	0001 To 0600
Place
Locale Reference	airport : zzz.airport
State Reference	US
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	B737 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	ground : maintenance ground : maintenance
Person 1
Affiliation	company : air carrier
Function	maintenance : technician
Experience	maintenance technician : 3
ASRS Report	663699
Person 2
Affiliation	company : air carrier
Function	maintenance : lead technician
Events
Anomaly	aircraft equipment problem : critical ground encounters : vehicle non adherence : published procedure non adherence : far non adherence : company policies
Independent Detector	other other : 1
Resolutory Action	none taken : detected after the fact
Consequence	other other other other
Factors
Maintenance	contributing factor : schedule pressure performance deficiency : non compliance with legal requirements
Supplementary
Problem Areas	Maintenance Human Performance Company Aircraft Environmental Factor
Primary Problem	Maintenance Human Performance

Narrative:

I had put the belt loader in position in the rear of the aircraft. I had went up to the plane to finish working then 2 hours later came back out and put a box of cushions on the belt loader and then raised it up into position and let go of the brake. It had jerked; and hit the aircraft. I had then reversed and lowered the belt loader and parked it and then saw that there was a big dent and burnt rubber on the aircraft so I went and got the lead mechanic.

Original NASA ASRS Text

Title: A B737 INCURRED DAMAGE WHEN A BELT LOADER WAS POSITIONED AT THE REAR DOOR AND RAISED UP TO UNLOAD SEAT CUSHIONS. THE VEHICLE JERKED FORWARD STRIKING THE FUSELAGE REAR DOOR AREA.

Narrative: I HAD PUT THE BELT LOADER IN POS IN THE REAR OF THE ACFT. I HAD WENT UP TO THE PLANE TO FINISH WORKING THEN 2 HRS LATER CAME BACK OUT AND PUT A BOX OF CUSHIONS ON THE BELT LOADER AND THEN RAISED IT UP INTO POS AND LET GO OF THE BRAKE. IT HAD JERKED; AND HIT THE ACFT. I HAD THEN REVERSED AND LOWERED THE BELT LOADER AND PARKED IT AND THEN SAW THAT THERE WAS A BIG DENT AND BURNT RUBBER ON THE ACFT SO I WENT AND GOT THE LEAD MECH.

Data retrieved from NASA's ASRS site as of January 2009 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.