<< >> NASA ASRS Report 380770, September 1997

An air carrier B767 flight crew copied, read back and descended to FL280, but after they were level the controller said that he cleared them to FL290.

Attributes
ACN	380770
Time
Date	199709
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : chw
State Reference	FO
Altitude	msl bound lower : 28000 msl bound upper : 29000
Environment
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : lfff
Operator	common carrier : air carrier
Make Model Name	B767 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	descent other
Flight Plan	IFR
Aircraft 2
Make Model Name	B767 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
ASRS Report	380770
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	380769
Events
Anomaly	other anomaly other
Independent Detector	other controllera other flight crewa
Resolutory Action	controller : issued new clearance
Consequence	Other

Narrative:

ATC controller cleared us to FL280, first officer read back FL280, entered on MCP, confirmed by captain. When lvl ATC controller queried us about altitude, controller said we were cleared to FL290, first officer said negative, clearance was to FL280. Reclred to FL280.

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Original NASA ASRS Text

Title: AN ACR B767 FLC COPIED, READ BACK AND DSNDED TO FL280, BUT AFTER THEY WERE LEVEL THE CTLR SAID THAT HE CLRED THEM TO FL290.

Narrative: ATC CTLR CLRED US TO FL280, FO READ BACK FL280, ENTERED ON MCP, CONFIRMED BY CAPT. WHEN LVL ATC CTLR QUERIED US ABOUT ALT, CTLR SAID WE WERE CLRED TO FL290, FO SAID NEGATIVE, CLRNC WAS TO FL280. RECLRED TO FL280.

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.