Narrative:

Center gave us a descent to cross radds intersection at 15000 ft. While we were in our descent, center gave us clearance to cross 30 NM south of sie (radds) at 11000 ft. The captain read back the clearance and both confirmed (pointed to) the new altitude. Passing 14000 ft, center informed us to level off and said he thought we were assigned 15000 ft.

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Original NASA ASRS Text

Title: AN ACR FLC FLYING B737-300 NEAR SIE RECEIVES CONFLICTING DSCNT ALT CLRNC FROM ZDC.

Narrative: CTR GAVE US A DSCNT TO CROSS RADDS INTXN AT 15000 FT. WHILE WE WERE IN OUR DSCNT, CTR GAVE US CLRNC TO CROSS 30 NM S OF SIE (RADDS) AT 11000 FT. THE CAPT READ BACK THE CLRNC AND BOTH CONFIRMED (POINTED TO) THE NEW ALT. PASSING 14000 FT, CTR INFORMED US TO LEVEL OFF AND SAID HE THOUGHT WE WERE ASSIGNED 15000 FT.

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.