Medium large transport entered adjacent sector airspace without coordination.

Attributes
ACN	101470
Time
Date	198901
Day	Sat
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : sxc
State Reference	CA
Altitude	msl bound lower : 7000 msl bound upper : 7000
Environment
Flight Conditions	VMC
Light	Dusk
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Navigation In Use	Other
Flight Phase	descent other
Route In Use	enroute airway : zla
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : radar
Qualification	controller : radar
Experience	controller non radar : 15 controller radar : 15
ASRS Report	101470
Person 2
Affiliation	government : faa
Function	controller : radar
Qualification	controller : radar
Events
Anomaly	other anomaly other other anomaly other
Independent Detector	other controllera
Resolutory Action	none taken : anomaly accepted
Consequence	Other
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Deviation

Narrative:

Adjacent sector was busy with no assistant (d-side). A supervisor was helping coordinate. Medium large transport penetrated my airspace west/O coordination. No deviation was filed, as required staffing is inadequate. A d-side would have prevented.

Original NASA ASRS Text

Title: MLG ENTERED ADJACENT SECTOR AIRSPACE WITHOUT COORD.

Narrative: ADJACENT SECTOR WAS BUSY WITH NO ASSISTANT (D-SIDE). A SUPVR WAS HELPING COORDINATE. MLG PENETRATED MY AIRSPACE W/O COORD. NO DEVIATION WAS FILED, AS REQUIRED STAFFING IS INADEQUATE. A D-SIDE WOULD HAVE PREVENTED.

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