Medium large transport aircraft in climb, flight crew read back FL330 when receiving clearance, but climbing through FL318 ATC reminded them of cleared altitude FL310.

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Attributes
ACN	372260
Time
Date	199706
Day	Sat
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : phx
State Reference	AZ
Altitude	msl bound lower : 31000 msl bound upper : 31800
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zab tower : frg
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	climbout : intermediate altitude
Route In Use	enroute : direct
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp pilot : cfi
Experience	flight time last 90 days : 280 flight time total : 10000 flight time type : 5000
ASRS Report	372260
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 200 flight time total : 15000 flight time type : 10000
ASRS Report	372263
Events
Anomaly	altitude deviation : overshoot non adherence : clearance
Independent Detector	other controllera
Resolutory Action	flight crew : returned to intended course or assigned course other
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

I was flying direct to hector VOR in climb out from phoenix drake departure en route to burbank. The captain read back and I acknowledged a climb to FL330 from ZAB. Passing FL318, ATC directed us to descend back to FL310, our cleared altitude. After leveling at FL310 the captain apologized to ATC. The controller said it was no problem.

Original NASA ASRS Text

Title: MLG ACFT IN CLB, FLC READ BACK FL330 WHEN RECEIVING CLRNC, BUT CLBING THROUGH FL318 ATC REMINDED THEM OF CLRED ALT FL310.

Narrative: I WAS FLYING DIRECT TO HECTOR VOR IN CLBOUT FROM PHOENIX DRAKE DEP ENRTE TO BURBANK. THE CAPT READ BACK AND I ACKNOWLEDGED A CLB TO FL330 FROM ZAB. PASSING FL318, ATC DIRECTED US TO DSND BACK TO FL310, OUR CLRED ALT. AFTER LEVELING AT FL310 THE CAPT APOLOGIZED TO ATC. THE CTLR SAID IT WAS NO PROB.

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.