A320 first officer asks for 7000 vice 8000 passing bengl on the ILS 34R approach at den.

Attributes
ACN	782091
Time
Date	200804
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : den.airport
State Reference	CO
Altitude	msl single value : 7000
Environment
Flight Conditions	VMC
Aircraft 1
Controlling Facilities	tracon : d01.tracon
Operator	common carrier : air carrier
Make Model Name	A320
Operating Under FAR Part	Part 121
Navigation In Use	ils localizer & glide slope : 34r
Flight Phase	descent : approach
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Experience	flight time last 90 days : 160 flight time total : 6500 flight time type : 600
ASRS Report	782091
Person 2
Affiliation	company : air carrier
Function	observation : company check pilot
Events
Anomaly	altitude deviation : overshoot
Independent Detector	other other : 2
Resolutory Action	none taken : detected after the fact
Supplementary
Problem Areas	ATC Human Performance Flight Crew Human Performance
Primary Problem	ATC Human Performance

Narrative:

Third leg of the trip. There had been some CRM issues on the preceding leg. This was a line check on the captain and I was the PF. ZDV switched our arrival STAR twice and runway assignments multiple times. Effectively; I performed 3 or 4 briefs for our approach. By the time we were issued our final runway assignment we were below 15000 ft and I did not brief a full ILS because the WX conditions in denver led me to believe it would be a visual approach. We were cleared for the approach and inside bengl I asked for 7000 ft to be set in the altitude window. The note; which I read; corresponded to localizer GS only approach; so I thought I was ok to descend below the 8000 ft. But the note I read did not correspond to the actual situation. The company check airperson pointed this out on our debrief.

Original NASA ASRS Text

Title: A320 FO ASKS FOR 7000 VICE 8000 PASSING BENGL ON THE ILS 34R APCH AT DEN.

Narrative: THIRD LEG OF THE TRIP. THERE HAD BEEN SOME CRM ISSUES ON THE PRECEDING LEG. THIS WAS A LINE CHK ON THE CAPT AND I WAS THE PF. ZDV SWITCHED OUR ARR STAR TWICE AND RWY ASSIGNMENTS MULTIPLE TIMES. EFFECTIVELY; I PERFORMED 3 OR 4 BRIEFS FOR OUR APCH. BY THE TIME WE WERE ISSUED OUR FINAL RWY ASSIGNMENT WE WERE BELOW 15000 FT AND I DID NOT BRIEF A FULL ILS BECAUSE THE WX CONDITIONS IN DENVER LED ME TO BELIEVE IT WOULD BE A VISUAL APCH. WE WERE CLRED FOR THE APCH AND INSIDE BENGL I ASKED FOR 7000 FT TO BE SET IN THE ALT WINDOW. THE NOTE; WHICH I READ; CORRESPONDED TO LOC GS ONLY APCH; SO I THOUGHT I WAS OK TO DSND BELOW THE 8000 FT. BUT THE NOTE I READ DID NOT CORRESPOND TO THE ACTUAL SITUATION. THE COMPANY CHK AIRPERSON POINTED THIS OUT ON OUR DEBRIEF.

Data retrieved from NASA's ASRS site as of May 2009 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.