<< >> NASA ASRS Report 785358, May 2008

A320 rejects takeoff when automatic brake fault is annunciated on ECAM. High outboard left brake temperature shows evidence of dragging brake.

Attributes
ACN	785358
Time
Date	200805
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 0
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	A320
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
Experience	flight time total : 9500 flight time type : 5000
ASRS Report	785358
Events
Anomaly	aircraft equipment problem : less severe
Independent Detector	aircraft equipment other aircraft equipment : ecam
Resolutory Action	flight crew : rejected takeoff
Consequence	other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

On takeoff roll; we got an ECAM; automatic brake fault -- brakes released; and aborted the takeoff at approximately 70 KTS. We cleared the runway; set the parking brake; and referenced the flight manual and called maintenance. The left brake truck temperatures reached 585 degrees on the outboard brake and remained at 180 degrees on the inboard brake. After concurring with maintenance; we returned to the gate; chocked the mains; and released the parking brake. Maintenance took the aircraft OTS.

Related reports:

• On automatic pilot 'trk trk' annunciated coupled to the ILS ...
• A320 flight crew accepts an aircraft after a bscu change and...

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Original NASA ASRS Text

Title: A320 REJECTS TKOF WHEN AUTO BRAKE FAULT IS ANNUNCIATED ON ECAM. HIGH OUTBOARD LEFT BRAKE TEMP SHOWS EVIDENCE OF DRAGGING BRAKE.

Narrative: ON TKOF ROLL; WE GOT AN ECAM; AUTO BRAKE FAULT -- BRAKES RELEASED; AND ABORTED THE TKOF AT APPROX 70 KTS. WE CLRED THE RWY; SET THE PARKING BRAKE; AND REFED THE FLT MANUAL AND CALLED MAINT. THE L BRAKE TRUCK TEMPS REACHED 585 DEGS ON THE OUTBOARD BRAKE AND REMAINED AT 180 DEGS ON THE INBOARD BRAKE. AFTER CONCURRING WITH MAINT; WE RETURNED TO THE GATE; CHOCKED THE MAINS; AND RELEASED THE PARKING BRAKE. MAINT TOOK THE ACFT OTS.

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.