B737-800 crew had an altitude undershoot in ZHU class a airspace.

Attributes
ACN	506400
Time
Date	200103
Day	Thu
Place
Locale Reference	intersection : maeko
State Reference	TX
Altitude	msl bound lower : 29000 msl bound upper : 33000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : bhm.tracon
Operator	common carrier : air carrier
Make Model Name	B737-800
Flight Phase	cruise : enroute altitude change
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : flight engineer
Experience	flight time last 90 days : 210 flight time total : 13000 flight time type : 4100
ASRS Report	506400
Events
Anomaly	altitude deviation : overshoot non adherence : company policies non adherence : far non adherence : published procedure non adherence : clearance other anomaly other
Resolutory Action	flight crew : returned to assigned altitude flight crew : returned to original clearance
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Computer uplink FL290. Center cleared to FL330. FL330 set in autoplt. FMC leveled aircraft at FL290. ATC failed to switch frequency or advise of incorrect altitude. Upon establishing contact, climbed to FL330, resumed course. No other aircraft conflicts or incidents. Flight continued safely to destination.

Original NASA ASRS Text

Title: B737-800 CREW HAD AN ALT UNDERSHOOT IN ZHU CLASS A AIRSPACE.

Narrative: COMPUTER UPLINK FL290. CTR CLRED TO FL330. FL330 SET IN AUTOPLT. FMC LEVELED ACFT AT FL290. ATC FAILED TO SWITCH FREQ OR ADVISE OF INCORRECT ALT. UPON ESTABLISHING CONTACT, CLBED TO FL330, RESUMED COURSE. NO OTHER ACFT CONFLICTS OR INCIDENTS. FLT CONTINUED SAFELY TO DEST.

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.