Narrative:

During the STAR portion of the approach, was informed by socal approach to expect runway 24L at lax. Upon leaving smo VOR, was given vectors for runway 24L. The approach controller requested that we advise him when we have the runway in sight. We informed the controller that there was a cloud layer between us and the airport. The approach controller then issued instructions to turn right to intercept the ILS runway 25R localizer, descend and maintain 2300 ft. This was a runway change from our initial expected runway of 24L, which we were set up for, to runway 25R which necessitated a last min change of approach plates. The runway was still obscured by a cloud layer. Upon becoming established on the ILS runway 25R localizer, the approach controller stated that we were on final to the wrong runway with a plane on the runway and to immediately go around. We performed a go around as instructed, was vectored back around and was cleared for an ILS runway 25R approach, sidestep to runway 25L. Landed runway 25L and while taxiing to FBO was directed to call the tower phone. Tower personnel were under the impression that we were not in communication with anyone on the approach to runway 25R prior to go around. Informed the tower that we were continually in communication with the approach controller and had never been switched over to tower. At the time of arrival into lax area, there was considerable incoming/departing air traffic with a busy workload for all controllers. Supplemental information from acn 431391: I believe the problem arose from heavy traffic and controller overload.

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Original NASA ASRS Text

Title: ACFT ASSIGNED A NEW RWY BY APCH CTL. AFTER ESTABLISHED ON LOC, THE ACFT WAS INSTRUCTED TO GO AROUND AS IT WAS APCHING THE WRONG RWY.

Narrative: DURING THE STAR PORTION OF THE APCH, WAS INFORMED BY SOCAL APCH TO EXPECT RWY 24L AT LAX. UPON LEAVING SMO VOR, WAS GIVEN VECTORS FOR RWY 24L. THE APCH CTLR REQUESTED THAT WE ADVISE HIM WHEN WE HAVE THE RWY IN SIGHT. WE INFORMED THE CTLR THAT THERE WAS A CLOUD LAYER BTWN US AND THE ARPT. THE APCH CTLR THEN ISSUED INSTRUCTIONS TO TURN R TO INTERCEPT THE ILS RWY 25R LOC, DSND AND MAINTAIN 2300 FT. THIS WAS A RWY CHANGE FROM OUR INITIAL EXPECTED RWY OF 24L, WHICH WE WERE SET UP FOR, TO RWY 25R WHICH NECESSITATED A LAST MIN CHANGE OF APCH PLATES. THE RWY WAS STILL OBSCURED BY A CLOUD LAYER. UPON BECOMING ESTABLISHED ON THE ILS RWY 25R LOC, THE APCH CTLR STATED THAT WE WERE ON FINAL TO THE WRONG RWY WITH A PLANE ON THE RWY AND TO IMMEDIATELY GO AROUND. WE PERFORMED A GAR AS INSTRUCTED, WAS VECTORED BACK AROUND AND WAS CLRED FOR AN ILS RWY 25R APCH, SIDESTEP TO RWY 25L. LANDED RWY 25L AND WHILE TAXIING TO FBO WAS DIRECTED TO CALL THE TWR PHONE. TWR PERSONNEL WERE UNDER THE IMPRESSION THAT WE WERE NOT IN COM WITH ANYONE ON THE APCH TO RWY 25R PRIOR TO GAR. INFORMED THE TWR THAT WE WERE CONTINUALLY IN COM WITH THE APCH CTLR AND HAD NEVER BEEN SWITCHED OVER TO TWR. AT THE TIME OF ARR INTO LAX AREA, THERE WAS CONSIDERABLE INCOMING/DEPARTING AIR TFC WITH A BUSY WORKLOAD FOR ALL CTLRS. SUPPLEMENTAL INFO FROM ACN 431391: I BELIEVE THE PROB AROSE FROM HVY TFC AND CTLR OVERLOAD.

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.