EMB135LR flight crew during preflight discovers improper maintenance performed.

Attributes
ACN	706159
Time
Date	200608
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : cmh.airport
State Reference	OH
Altitude	agl single value : 0
Environment
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	EMB ERJ 135 ER&LR
Operating Under FAR Part	Part 121
Flight Phase	ground : preflight
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	706159
Person 2
Affiliation	company : air carrier
Function	maintenance : technician
Events
Anomaly	maintenance problem : improper maintenance non adherence : published procedure non adherence : company policies
Independent Detector	other flight crewa
Resolutory Action	none taken : anomaly accepted
Consequence	Other
Supplementary
Problem Areas	Maintenance Human Performance
Primary Problem	Maintenance Human Performance

Narrative:

Maintenance delivered the aircraft from the hangar to us for our departure; and upon entering the cockpit; we discovered that the mechanic had failed to disconnect the steering using the yoke trigger (as we are required to do by the shutdown check); and that he had left both packs on in full cold in the manual (knob-out) setting. He had departed before I had the chance to inquire further. Before the steering had been disconnected; there were several ramp personnel working on hooking up the tug tow bar who could have been injured had the first officer turned on the hydraulics for the control check.

Original NASA ASRS Text

Title: EMB135LR FLT CREW DURING PREFLT DISCOVERS IMPROPER MAINT PERFORMED.

Narrative: MAINT DELIVERED THE ACFT FROM THE HANGAR TO US FOR OUR DEP; AND UPON ENTERING THE COCKPIT; WE DISCOVERED THAT THE MECH HAD FAILED TO DISCONNECT THE STEERING USING THE YOKE TRIGGER (AS WE ARE REQUIRED TO DO BY THE SHUTDOWN CHK); AND THAT HE HAD LEFT BOTH PACKS ON IN FULL COLD IN THE MANUAL (KNOB-OUT) SETTING. HE HAD DEPARTED BEFORE I HAD THE CHANCE TO INQUIRE FURTHER. BEFORE THE STEERING HAD BEEN DISCONNECTED; THERE WERE SEVERAL RAMP PERSONNEL WORKING ON HOOKING UP THE TUG TOW BAR WHO COULD HAVE BEEN INJURED HAD THE FO TURNED ON THE HYDS FOR THE CTL CHK.

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.