Narrative:

We were given a clearance to report 100 NM west of white horse VOR. I misread the clearance as 100 NM east and made the call at that point. I missed a mandatory reporting point as a result. If the controller had used 100 NM prior to white horse that would have been clrer.

Google
 

Original NASA ASRS Text

Title: FLC MISSED MANDATORY RPT.

Narrative: WE WERE GIVEN A CLRNC TO RPT 100 NM W OF WHITE HORSE VOR. I MISREAD THE CLRNC AS 100 NM E AND MADE THE CALL AT THAT POINT. I MISSED A MANDATORY RPTING POINT AS A RESULT. IF THE CTLR HAD USED 100 NM PRIOR TO WHITE HORSE THAT WOULD HAVE BEEN CLRER.

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.