After setting brakes at the gate an A319 rolled 4 - 5 ft. Fatigue; night operations; and jumpseater talking caused distractions. Resetting brakes stopped the aircraft.

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Attributes
ACN	784099
Time
Date	200804
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
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	A319
Operating Under FAR Part	Part 121
Flight Phase	ground : parked
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain observation : company check pilot oversight : pic
Experience	flight time last 90 days : 160 flight time total : 11700 flight time type : 7800
ASRS Report	784099
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Experience	flight time last 90 days : 185 flight time total : 11000 flight time type : 4000
ASRS Report	784097
Events
Anomaly	aircraft equipment problem : less severe conflict : ground less severe non adherence : company policies non adherence : far
Resolutory Action	flight crew : regained aircraft control flight crew : overcame equipment problem
Supplementary
Problem Areas	Aircraft Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance

Narrative:

We brought the aircraft in to gate xx at ZZZ. Guide man gave stop signal. I believed the parking brake was set; as did first officer. Shortly thereafter; I noticed the guide man signaling for a stop; and saw aircraft had rolled forward 4-5 ft. I set the parking brake handle and verified pressure on tri-pressure gauge. Spoke to guide man personally and verified that no damage had occurred and no personnel were injured. Aircraft was stopped on the parking line for B757. Consulted flight attendants to verify no passenger were injured. None were. There were 2 jumpseaters in the cockpit who were moving and/or talking as we approached gate; creating some distraction. Discussion was taking place regarding wheels up time for next segment. Believe that long duty day; nighttime conditions; concerns over delays with next leg and jumpseaters' lack of sterile cockpit created distrs.

Original NASA ASRS Text

Title: AFTER SETTING BRAKES AT THE GATE AN A319 ROLLED 4 - 5 FT. FATIGUE; NIGHT OPS; AND JUMPSEATER TALKING CAUSED DISTRACTIONS. RESETTING BRAKES STOPPED THE ACFT.

Narrative: WE BROUGHT THE ACFT IN TO GATE XX AT ZZZ. GUIDE MAN GAVE STOP SIGNAL. I BELIEVED THE PARKING BRAKE WAS SET; AS DID FO. SHORTLY THEREAFTER; I NOTICED THE GUIDE MAN SIGNALING FOR A STOP; AND SAW ACFT HAD ROLLED FORWARD 4-5 FT. I SET THE PARKING BRAKE HANDLE AND VERIFIED PRESSURE ON TRI-PRESSURE GAUGE. SPOKE TO GUIDE MAN PERSONALLY AND VERIFIED THAT NO DAMAGE HAD OCCURRED AND NO PERSONNEL WERE INJURED. ACFT WAS STOPPED ON THE PARKING LINE FOR B757. CONSULTED FLT ATTENDANTS TO VERIFY NO PAX WERE INJURED. NONE WERE. THERE WERE 2 JUMPSEATERS IN THE COCKPIT WHO WERE MOVING AND/OR TALKING AS WE APCHED GATE; CREATING SOME DISTR. DISCUSSION WAS TAKING PLACE REGARDING WHEELS UP TIME FOR NEXT SEGMENT. BELIEVE THAT LONG DUTY DAY; NIGHTTIME CONDITIONS; CONCERNS OVER DELAYS WITH NEXT LEG AND JUMPSEATERS' LACK OF STERILE COCKPIT CREATED DISTRS.

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.