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A320 reports missing crossing restriction after runway change during arrival causes entered altitude to drop out.
| Attributes | |
| ACN | 771991 |
| Time | |
| Date | 200801 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : mem.airport |
| State Reference | TN |
| Altitude | msl single value : 13000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : mem.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | A320 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | descent : intermediate altitude |
| Route In Use | arrival star : larue |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : multi engine pilot : atp |
| Experience | flight time last 90 days : 30 flight time total : 20000 flight time type : 6000 |
| ASRS Report | 771991 |
| Events | |
| Anomaly | altitude deviation : crossing restriction not met non adherence : clearance |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : unable |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Aircraft ATC Human Performance |
| Primary Problem | Flight Crew Human Performance |
Narrative:
On larue 3 RNAV arrival; was supposed to cross meggy at 12000 ft MSL. However; during approach runway was changed in FMS and inadvertently caused 12000 ft/meggy restr to drop out. By the time it was discovered; were too high to meet restr. Crossed meggy at 13000 ft MSL. ATC did not seem concerned.
Original NASA ASRS Text
Title: A320 REPORTS MISSING CROSSING RESTRICTION AFTER RWY CHANGE DURING ARRIVAL CAUSES ENTERED ALTITUDE TO DROP OUT.
Narrative: ON LARUE 3 RNAV ARR; WAS SUPPOSED TO CROSS MEGGY AT 12000 FT MSL. HOWEVER; DURING APCH RWY WAS CHANGED IN FMS AND INADVERTENTLY CAUSED 12000 FT/MEGGY RESTR TO DROP OUT. BY THE TIME IT WAS DISCOVERED; WERE TOO HIGH TO MEET RESTR. CROSSED MEGGY AT 13000 FT MSL. ATC DID NOT SEEM CONCERNED.
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.