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A319 flight crew experienced airframe vibration approaching leveloff. Speed was reduced and vibration dissipated and did not return.
| Attributes | |
| ACN | 742507 |
| Time | |
| Date | 200706 |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : phl.airport |
| State Reference | PA |
| Altitude | msl single value : 27500 |
| Aircraft 1 | |
| Controlling Facilities | artcc : zny.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | A319 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Experience | flight time last 90 days : 250 flight time total : 19000 flight time type : 4500 |
| ASRS Report | 742507 |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | other flight crewa |
| Consequence | other |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
Nearing leveloff at FL280; we experienced a strong airframe vibration at 310 KIAS. Slowed to 280 KTS and vibration stopped. No further occurrence. Followed SOP. Landed normally. Callback conversation with reporter revealed the following information: company maintenance is are aware of the problem; and the rudder bearing hinge plates are being replaced as a preventative measure.
Original NASA ASRS Text
Title: A319 FLT CREW EXPERIENCED AIRFRAME VIBRATION APPROACHING LEVELOFF. SPEED WAS REDUCED AND VIBRATION DISSIPATED AND DID NOT RETURN.
Narrative: NEARING LEVELOFF AT FL280; WE EXPERIENCED A STRONG AIRFRAME VIBRATION AT 310 KIAS. SLOWED TO 280 KTS AND VIBRATION STOPPED. NO FURTHER OCCURRENCE. FOLLOWED SOP. LANDED NORMALLY. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: COMPANY MAINT IS ARE AWARE OF THE PROBLEM; AND THE RUDDER BEARING HINGE PLATES ARE BEING REPLACED AS A PREVENTATIVE MEASURE.
Data retrieved from NASA's ASRS site as of January 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.