A tug driver failed to wait for the release brakes statement from the captain and started to push the B737-300; damaging the aircraft and the towbar.

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Attributes
ACN	706200
Time
Date	200608
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : ord.airport
State Reference	IL
Altitude	agl single value : 0
Aircraft 1
Controlling Facilities	tracon : zgsz.tracon
Operator	common carrier : air carrier
Make Model Name	B737-300
Operating Under FAR Part	Part 121
Flight Phase	ground : pushback
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Experience	flight time last 90 days : 170 flight time total : 16000 flight time type : 8000
ASRS Report	706200
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Experience	flight time last 90 days : 240 flight time total : 6000 flight time type : 4000
ASRS Report	706203
Events
Anomaly	non adherence : company policies non adherence : published procedure
Independent Detector	other flight crewa
Resolutory Action	none taken : detected after the fact
Consequence	other
Supplementary
Problem Areas	Company
Primary Problem	Company

Narrative:

Pushback tug driver started the push after 'cleared to push; brakes set; tail north give way to the rj and gate Y is also pushing' command being given by the captain. The brakes were not released; and the tug driver did not call for the brakes to be released. The pin on the nose gear sheared and the towbar was also damaged.

Original NASA ASRS Text

Title: A TUG DRIVER FAILED TO WAIT FOR THE RELEASE BRAKES STATEMENT FROM THE CAPT AND STARTED TO PUSH THE B737-300; DAMAGING THE AIRCRAFT AND THE TOWBAR.

Narrative: PUSHBACK TUG DRIVER STARTED THE PUSH AFTER 'CLEARED TO PUSH; BRAKES SET; TAIL NORTH GIVE WAY TO THE RJ AND GATE Y IS ALSO PUSHING' COMMAND BEING GIVEN BY THE CAPTAIN. THE BRAKES WERE NOT RELEASED; AND THE TUG DRIVER DID NOT CALL FOR THE BRAKES TO BE RELEASED. THE PIN ON THE NOSE GEAR SHEARED AND THE TOWBAR WAS ALSO DAMAGED.

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.