|37000 Feet||Browse and search NASA's
Aviation Safety Reporting System
|Local Time Of Day||1201 To 1800|
|Locale Reference||airport : dtw.airport|
|Controlling Facilities||tower : dtw.tower|
|Operator||common carrier : air carrier|
|Make Model Name||SF 340B|
|Operating Under FAR Part||Part 121|
|Flight Phase||descent : approach|
|Affiliation||company : air carrier|
|Function||flight crew : captain|
oversight : pic
|Qualification||pilot : atp|
|Anomaly||aircraft equipment problem : less severe|
|Independent Detector||other flight crewa|
|Resolutory Action||none taken : anomaly accepted|
Aileron control did not feel normal. Felt as though the aileron cables were loose. Roll response sluggish. Felt as though only 1 aileron was moving. Turned off autoplt approximately less than 1000 ft AGL. Normal landing. After autoplt disconnect on approach for landing; normal landing; however; maintenance control notified. Maintenance write-up entered in 'MM1' log. Callback conversation with reporter revealed the following information: the reporter states that the first officer questioned the aileron feel on the first leg but didn't say anything until the captain brought the subject up. Post flight revealed that speed tape applied to the trailing edge by maintenance as a temporary repair may have interfered with aileron movement. A definitive cause for this incident has not been revealed to the reporter.
Original NASA ASRS Text
Title: SF340 FLT CREW REPORTS THAT ROLL CONTROL IS SLUGGISH AND UNRESPONSIVE AS IF THE AILERONS COULD BE BINDING OR ONE NOT OPERATING.
Narrative: AILERON CTL DID NOT FEEL NORMAL. FELT AS THOUGH THE AILERON CABLES WERE LOOSE. ROLL RESPONSE SLUGGISH. FELT AS THOUGH ONLY 1 AILERON WAS MOVING. TURNED OFF AUTOPLT APPROX LESS THAN 1000 FT AGL. NORMAL LNDG. AFTER AUTOPLT DISCONNECT ON APCH FOR LNDG; NORMAL LNDG; HOWEVER; MAINT CTL NOTIFIED. MAINT WRITE-UP ENTERED IN 'MM1' LOG. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE REPORTER STATES THAT THE FIRST OFFICER QUESTIONED THE AILERON FEEL ON THE FIRST LEG BUT DIDN'T SAY ANYTHING UNTIL THE CAPTAIN BROUGHT THE SUBJECT UP. POST FLIGHT REVEALED THAT SPEED TAPE APPLIED TO THE TRAILING EDGE BY MAINTENANCE AS A TEMPORARY REPAIR MAY HAVE INTERFERED WITH AILERON MOVEMENT. A DEFINITIVE CAUSE FOR THIS INCIDENT HAS NOT BEEN REVEALED TO THE REPORTER.
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.