An A321 flight crew fails to make a crossing restr.

Attributes
ACN	517430
Time
Date	200107
Day	Mon
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : lax.airport
State Reference	CA
Altitude	msl bound lower : 17000 msl bound upper : 17500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	A321
Flight Phase	descent : intermediate altitude
Route In Use	arrival star : paradise four
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : cfi pilot : flight engineer pilot : multi engine
Experience	flight time last 90 days : 80 flight time total : 1850 flight time type : 74
ASRS Report	517430
Events
Anomaly	aircraft equipment problem : less severe altitude deviation : crossing restriction not met non adherence : published procedure non adherence : clearance
Resolutory Action	none taken : anomaly accepted
Supplementary
Problem Areas	Aircraft ATC Human Performance Flight Crew Human Performance Chart Or Publication
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

We were cleared the paradise 4 arrival (pdz.PDZ4). On descent, I verified with my first officer the crossing restr on the arrival, especially konzl intersection as it required a hard altitude at 17000 ft MSL. I remember flying in vertical speed until about the descent point (on profile) to make the restr. Since it did not seem to want to descend properly in managed descent, I went to open descent to make sure it crossed the konzl intersection. The rate of descent improved, but then it captured the 17000 ft altitude at about FL185 and started to add power. I increased the speed to affect the descent, but that only seemed to arrest the descent further. The aircraft crossed konzl intersection around +17500 ft MSL.

Original NASA ASRS Text

Title: AN A321 FLT CREW FAILS TO MAKE A XING RESTR.

Narrative: WE WERE CLRED THE PARADISE 4 ARRIVAL (PDZ.PDZ4). ON DSCNT, I VERIFIED WITH MY FO THE XING RESTR ON THE ARR, ESPECIALLY KONZL INTXN AS IT REQUIRED A HARD ALT AT 17000 FT MSL. I REMEMBER FLYING IN VERT SPD UNTIL ABOUT THE DSCNT POINT (ON PROFILE) TO MAKE THE RESTR. SINCE IT DID NOT SEEM TO WANT TO DSND PROPERLY IN MANAGED DSCNT, I WENT TO OPEN DSCNT TO MAKE SURE IT CROSSED THE KONZL INTXN. THE RATE OF DSCNT IMPROVED, BUT THEN IT CAPTURED THE 17000 FT ALT AT ABOUT FL185 AND STARTED TO ADD PWR. I INCREASED THE SPD TO AFFECT THE DSCNT, BUT THAT ONLY SEEMED TO ARREST THE DSCNT FURTHER. THE AIRCRAFT CROSSED KONZL INTXN AROUND +17500 FT MSL.

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.