Narrative:

Flying from general fox to whiteman. I called socal approach on 120.2 when I let down over the mountain north of whiteman, I kept waiting for socal to tell me it was ok to call tower on 134.0. If they did, I did not hear them. I got busy and forgot to change frequency.

Google
 

Original NASA ASRS Text

Title: LAND WITHOUT CLRNC. RPTR PVT PLT WAS IN COM WITH APCH CTLR AND WAS WAITING FOR THE CTLR TO SWITCH HIM TO TWR, BUT FORGOT TO GET LNDG CLRNC.

Narrative: FLYING FROM GENERAL FOX TO WHITEMAN. I CALLED SOCAL APCH ON 120.2 WHEN I LET DOWN OVER THE MOUNTAIN N OF WHITEMAN, I KEPT WAITING FOR SOCAL TO TELL ME IT WAS OK TO CALL TWR ON 134.0. IF THEY DID, I DID NOT HEAR THEM. I GOT BUSY AND FORGOT TO CHANGE FREQ.

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.