Rapid decrease in engine oil quantity was observed on takeoff roll and takeoff was rejected.

Attributes
ACN	770425
Time
Date	200801
Local Time Of Day	0001 To 0600
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	B737-400
Operating Under FAR Part	Part 121
Flight Phase	ground : takeoff roll
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	770425
Events
Anomaly	aircraft equipment problem : less severe
Independent Detector	other flight crewa
Resolutory Action	flight crew : rejected takeoff
Supplementary
Problem Areas	Maintenance Human Performance
Primary Problem	Aircraft

Narrative:

Oil quantity was low prior to takeoff; but within limits for dispatch. During the initial takeoff roll the oil quantity decreased approximately 1 gal below dispatch limit. Rejected takeoff at a low speed (80 KTS) and returned to the gate for maintenance. Flight attendants were asked to remain seated. Complied with brake cooling chart.

Original NASA ASRS Text

Title: RAPID DECREASE IN ENG OIL QUANTITY WAS OBSERVED ON TKOF ROLL AND TKOF WAS REJECTED.

Narrative: OIL QUANTITY WAS LOW PRIOR TO TKOF; BUT WITHIN LIMITS FOR DISPATCH. DURING THE INITIAL TKOF ROLL THE OIL QUANTITY DECREASED APPROX 1 GAL BELOW DISPATCH LIMIT. REJECTED TKOF AT A LOW SPD (80 KTS) AND RETURNED TO THE GATE FOR MAINT. FLT ATTENDANTS WERE ASKED TO REMAIN SEATED. COMPLIED WITH BRAKE COOLING CHART.

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