Medium large transport crew had altitude deviation in cruise.

Attributes
ACN	415980
Time
Date	199810
Day	Tue
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : cve
State Reference	TX
Altitude	msl bound lower : 29000 msl bound upper : 29300
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zfw
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	cruise other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : flight engineer pilot : atp
Experience	flight time last 90 days : 300 flight time total : 20000 flight time type : 3000
ASRS Report	415980
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	altitude deviation : excursion from assigned altitude non adherence : clearance
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	flight crew : returned to intended course or assigned course
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Cleared to FL290. Busy with rerte and WX. Altitude alerter went off at FL293. Returned to FL290. ATC said nothing.

Original NASA ASRS Text

Title: MLG CREW HAD ALTDEV IN CRUISE.

Narrative: CLRED TO FL290. BUSY WITH RERTE AND WX. ALT ALERTER WENT OFF AT FL293. RETURNED TO FL290. ATC SAID NOTHING.

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.