Hydraulic lines were installed backwards.

Attributes
ACN	270689
Time
Date	199405
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : zzz
State Reference	US
Altitude	agl bound lower : 0 agl bound upper : 0
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	MD-80 Series (DC-9-80) Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	other personnel other
Qualification	other other : other
ASRS Report	270689
Person 2
Affiliation	company : air carrier
Function	other personnel other oversight : supervisor
Qualification	other other : other
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	other other : unspecified
Resolutory Action	none taken : detected after the fact
Consequence	Other
Supplementary
Air Traffic Incident	other

Narrative:

Aircraft aborted takeoff at 70 KTS. Power elevator light came on. Placarded light inoperative. On overnight, night even in sfo found return line and power lines backwards. I installed 'robbed' line on horizontal elevator and was up on elevator when leak checked. My crew chief was in cockpit.

Original NASA ASRS Text

Title: HYD LINES WERE INSTALLED BACKWARDS.

Narrative: ACFT ABORTED TKOF AT 70 KTS. PWR ELEVATOR LIGHT CAME ON. PLACARDED LIGHT INOP. ON OVERNIGHT, NIGHT EVEN IN SFO FOUND RETURN LINE AND PWR LINES BACKWARDS. I INSTALLED 'ROBBED' LINE ON HORIZ ELEVATOR AND WAS UP ON ELEVATOR WHEN LEAK CHKED. MY CREW CHIEF WAS IN COCKPIT.

Data retrieved from NASA's ASRS site as of July 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.