B757-200 flight crew receives EICAS brake source and right system pressure annunciations during clim...

Attributes
ACN	741444
Time
Date	200706
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : zzz.artcc
State Reference	US
Altitude	msl single value : 31000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zzz.artcc
Operator	common carrier : air carrier
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Flight Phase	climbout : initial
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
ASRS Report	741444
Person 2
Affiliation	company : air carrier
Function	maintenance : technician
Events
Anomaly	aircraft equipment problem : less severe
Independent Detector	aircraft equipment other aircraft equipment : eicas
Resolutory Action	flight crew : declared emergency flight crew : landed in emergency condition other
Consequence	other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

During climb out 'right system pressure;' 'brake source' annunciator lights and amber EICAS messages appeared. Right quantity and pressure indications normal on status page. Performed QRH procedures; turned off right hydraulic pumps; declared emergency and turned back towards ZZZ. Contacted dispatch; circled near ZZZ1 at 3000 ft with gear down; flaps 20 degrees; speed brake extended to burn down from 206000 pounds to 195000 pounds. Flight attendants performed planned evacuate/evacuation checklist. Decided to proceed inbound as daylight was fading. On approach; performed brake source QRH procedure; pushing reserve brakes switch. Brake source annunciator and EICAS lights then extinguished; followed about 2 mins later by 'right system pressure' annunciator and EICAS extinguishing. I had requested the airport fire trucks; etc; to be standing by. Touched down at 500 ft point on runway; stopped aircraft by intersection. Taxied clear of runway as all system appeared to be working normally. Maintenance checked brakes and I turned reserve brakes switch off and as all seemed to be working normally I was cleared by maintenance to proceed to gate.

Original NASA ASRS Text

Title: B757-200 FLT CREW RECEIVES EICAS BRAKE SOURCE AND R SYS PRESSURE ANNUNCIATIONS DURING CLIMBOUT. DECLARE EMERGENCY AND RETURN.

Narrative: DURING CLBOUT 'R SYS PRESSURE;' 'BRAKE SOURCE' ANNUNCIATOR LIGHTS AND AMBER EICAS MESSAGES APPEARED. R QUANTITY AND PRESSURE INDICATIONS NORMAL ON STATUS PAGE. PERFORMED QRH PROCS; TURNED OFF R HYD PUMPS; DECLARED EMER AND TURNED BACK TOWARDS ZZZ. CONTACTED DISPATCH; CIRCLED NEAR ZZZ1 AT 3000 FT WITH GEAR DOWN; FLAPS 20 DEGS; SPD BRAKE EXTENDED TO BURN DOWN FROM 206000 LBS TO 195000 LBS. FLT ATTENDANTS PERFORMED PLANNED EVAC CHKLIST. DECIDED TO PROCEED INBOUND AS DAYLIGHT WAS FADING. ON APCH; PERFORMED BRAKE SOURCE QRH PROC; PUSHING RESERVE BRAKES SWITCH. BRAKE SOURCE ANNUNCIATOR AND EICAS LIGHTS THEN EXTINGUISHED; FOLLOWED ABOUT 2 MINS LATER BY 'R SYS PRESSURE' ANNUNCIATOR AND EICAS EXTINGUISHING. I HAD REQUESTED THE ARPT FIRE TRUCKS; ETC; TO BE STANDING BY. TOUCHED DOWN AT 500 FT POINT ON RWY; STOPPED ACFT BY INTXN. TAXIED CLR OF RWY AS ALL SYS APPEARED TO BE WORKING NORMALLY. MAINT CHKED BRAKES AND I TURNED RESERVE BRAKES SWITCH OFF AND AS ALL SEEMED TO BE WORKING NORMALLY I WAS CLRED BY MAINT TO PROCEED TO GATE.

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.

B757-200 flight crew receives EICAS brake source and right system pressure annunciations during climbout. Declare emergency and return.