|37000 Feet||Browse and search NASA's
Aviation Safety Reporting System
|Local Time Of Day||1201 To 1800|
|Locale Reference||airport : zzz.airport|
|Altitude||msl single value : 1000|
|Controlling Facilities||tracon : zzz.tracon|
|Operator||general aviation : personal|
|Make Model Name||Baron 58/58TC|
|Operating Under FAR Part||Part 91|
|Flight Phase||climbout : initial|
|Function||flight crew : single pilot|
|Qualification||pilot : atp|
|Experience||flight time last 90 days : 70|
flight time total : 3600
flight time type : 800
|Function||maintenance : technician|
|Anomaly||aircraft equipment problem : critical|
maintenance problem : improper documentation
maintenance problem : improper maintenance
non adherence : published procedure
non adherence : far
|Independent Detector||other other : person 1|
|Resolutory Action||flight crew : diverted to another airport|
|Maintenance||performance deficiency : non compliance with legal requirements|
performance deficiency : installation
performance deficiency : inspection
|Problem Areas||Maintenance Human Performance|
|Primary Problem||Maintenance Human Performance|
First flight out of an annual inspection. After takeoff, aircraft began to roll right. Full opposite control required to keep level. Returned for landing. Maintenance determined that the aileron attach screws missed the bracket on the bottom half. It is believed that when an air load was against the aileron, the bracket popped out. Callback conversation with reporter revealed the following information: the reporter stated that immediately after takeoff the airplane began a roll to the right and only full opposite aileron would keep the wings level. The reporter said a quick return to the field was made successfully and on a visual check of the aileron it was discovered deflected up about 1 1/2 inch. The reporter said the maintenance shop that performed the annual inspection checked the right aileron and found the lower attach bolts in place but were not inserted through the support bracket.
Original NASA ASRS Text
Title: A BEECH BARON 58 FIRST FLT OUT OF ANNUAL INSPECTION AFTER TKOF REQUIRED FULL L AILERON TO FLY LEVEL. FOUND R AILERON LOWER ATTACH BOLTS NOT INSERTED IN SUPPORT BRACKET.
Narrative: FIRST FLT OUT OF AN ANNUAL INSPECTION. AFTER TKOF, ACFT BEGAN TO ROLL R. FULL OPPOSITE CTL REQUIRED TO KEEP LEVEL. RETURNED FOR LNDG. MAINT DETERMINED THAT THE AILERON ATTACH SCREWS MISSED THE BRACKET ON THE BOTTOM HALF. IT IS BELIEVED THAT WHEN AN AIR LOAD WAS AGAINST THE AILERON, THE BRACKET POPPED OUT. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THAT IMMEDIATELY AFTER TKOF THE AIRPLANE BEGAN A ROLL TO THE R AND ONLY FULL OPPOSITE AILERON WOULD KEEP THE WINGS LEVEL. THE RPTR SAID A QUICK RETURN TO THE FIELD WAS MADE SUCCESSFULLY AND ON A VISUAL CHK OF THE AILERON IT WAS DISCOVERED DEFLECTED UP ABOUT 1 1/2 INCH. THE RPTR SAID THE MAINT SHOP THAT PERFORMED THE ANNUAL INSPECTION CHKED THE R AILERON AND FOUND THE LOWER ATTACH BOLTS IN PLACE BUT WERE NOT INSERTED THROUGH THE SUPPORT BRACKET.
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.