Air Asia Indonesia Lost Contact from Surabaya to Singapore

[Data Guy]

Some 45 Reports

A review of the FAA’s Service Difficulty Reports (SDRs), and NASA’s Aviation Safety Reporting System (ASRS) showssome 9 SDRs, and 4 ASRS reports of uncommanded rudder movements (Yaws, Kicks, Inputs, etc) in the A-300, A-319 and A-320 series before the loss of AA 587 in November 2001.
Since then, and as of Feb 1, 2015, 8 additional ASRS reports, and 37 SDRs have been filed. See below.

37 SDR Control Numbers. To read the full report, access the FAA’s Service Difficulty database and query search at FAA :: SDR Reporting [Service Difficulty Report Query Page]-just enter SDR control number and run query.
AALA20012082, AALA20020060, AALA20030633, CA030819001, AALA200330886, AALA20040029, CA040513001, AWXA200401278, F3LA200600010, NWAA071863251, CA090421011, UALA2009061601722, UALA2009080302310, NA20090915114, UALA2010020300427, UALA2010041901293, UALA2011032101332, UALA2011072503805, USAA2011092700016, USAA2011092700015, USAA2012071800008, UALA2012072704071, USAA2012081300022, USAA2012081300019, USAA2012081000010, USAA2012121000012, USAA2013060400023, USAA2013070100015, USAA2013081600001, USAA2013082600014, YENA20140114012, USAA2014032100017, USAA2014052700039, USAA2014062000006, WX0A2014120972293, ANCF201412121, and CA150202008.

8 ASRS Report Numbers. Source; ASRS query.Link > http://akama.arc.nasa.gov/ASRSDBOnli...ard_Begin.aspx - Just enter the Report number , run query.

531245, 536451, 540100, 567765 (with 63 prior “events”), 644939, 734999, 790707, and 1158605.

Most common causes given include; FAC – 12 reports,Yaw damper – 11 reports, and Trim actuator – 4 reports.