<< >> NASA ASRS Report 388537, December 1997

Flight crew of an md super 80, found a fuel imbalance during cruise and accomplished appropriate checklist with negative results. Flight crew contacted the company technician via dispatcher with no luck other than ok to land with fuel imbalance which was accomplished successfully with 5 units of trim.

Attributes
ACN	388537
Time
Date	199712
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : ink
State Reference	TX
Altitude	msl bound lower : 33000 msl bound upper : 33000
Environment
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zab
Operator	common carrier : air carrier
Make Model Name	MD-80 Super 80
Operating Under FAR Part	Part 121
Flight Phase	cruise other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	388537
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
ASRS Report	387780
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	none taken : anomaly accepted none taken : unable other
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

Location: 75 mi west of wink. Checked fuel over nwn with normal readings, approximately 6000 pounds in each main and center 0. Approximately 8 mins later noted approximately 3000 pounds xferred from right to left main, now reading approximately 9200 pounds left and 3100 pounds right. Followed fuel imbalance procedure which accomplished bo in right tank. Consulted dispatch and technician who approved landing with imbalance. Upon landing approximately 5200 pounds left and 3100 pounds right. Required varying 5 units aileron trim during imbalance to level wings. Entered in log.

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Original NASA ASRS Text

Title: FLC OF AN MD SUPER 80, FOUND A FUEL IMBALANCE DURING CRUISE AND ACCOMPLISHED APPROPRIATE CHKLIST WITH NEGATIVE RESULTS. FLC CONTACTED THE COMPANY TECHNICIAN VIA DISPATCHER WITH NO LUCK OTHER THAN OK TO LAND WITH FUEL IMBALANCE WHICH WAS ACCOMPLISHED SUCCESSFULLY WITH 5 UNITS OF TRIM.

Narrative: LOCATION: 75 MI W OF WINK. CHKED FUEL OVER NWN WITH NORMAL READINGS, APPROX 6000 LBS IN EACH MAIN AND CTR 0. APPROX 8 MINS LATER NOTED APPROX 3000 LBS XFERRED FROM R TO L MAIN, NOW READING APPROX 9200 LBS L AND 3100 LBS R. FOLLOWED FUEL IMBALANCE PROC WHICH ACCOMPLISHED BO IN R TANK. CONSULTED DISPATCH AND TECHNICIAN WHO APPROVED LNDG WITH IMBALANCE. UPON LNDG APPROX 5200 LBS L AND 3100 LBS R. REQUIRED VARYING 5 UNITS AILERON TRIM DURING IMBALANCE TO LEVEL WINGS. ENTERED IN LOG.

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.