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An airbus 320 in cruise at FL350 declared an emergency and diverted due to #2 engine rolled back to idle power and would not accelerate.
| Attributes | |
| ACN | 485876 |
| Time | |
| Date | 200009 |
| Day | Wed |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : stl.airport |
| State Reference | MO |
| Altitude | msl single value : 35000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : zkc.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | A320 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 19000 flight time type : 3000 |
| ASRS Report | 485876 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument pilot : multi engine |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | aircraft equipment : tcas aircraft equipment other aircraft equipment : #2 engine indications other flight crewa other flight crewb |
| Resolutory Action | flight crew : declared emergency flight crew : diverted to another airport |
| Consequence | other |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Environmental Factor Aircraft |
| Primary Problem | Aircraft |
Narrative:
Right engine rolled back below 50% N1 -- would not recover. Declared an emergency with ZKC. Diverted to stl. Landed in VFR conditions on runway 30R. Taxied to parking. Callback conversation with reporter revealed the following information: the reporter stated the aircraft was an airbus 320 with 2 cfm 56-5 engines. The reporter said the compressor bleed valve or the bleed valve control failed in the open position preventing engine acceleration.
Original NASA ASRS Text
Title: AN AIRBUS 320 IN CRUISE AT FL350 DECLARED AN EMER AND DIVERTED DUE TO #2 ENG ROLLED BACK TO IDLE PWR AND WOULD NOT ACCELERATE.
Narrative: R ENG ROLLED BACK BELOW 50% N1 -- WOULD NOT RECOVER. DECLARED AN EMER WITH ZKC. DIVERTED TO STL. LANDED IN VFR CONDITIONS ON RWY 30R. TAXIED TO PARKING. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE ACFT WAS AN AIRBUS 320 WITH 2 CFM 56-5 ENGS. THE RPTR SAID THE COMPRESSOR BLEED VALVE OR THE BLEED VALVE CTL FAILED IN THE OPEN POS PREVENTING ENG ACCELERATION.
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.