Service difficulty report · Computer · Boeing 737890

Difficulty date
May 28, 2014
Submitted
June 2, 2014
Operation
Air carrier
Aircraft
N517AS
Make and model
Boeing 737890
Aircraft serial
35197
Aircraft time
20,894 hours, 6,287 cycles
Part
Computer
Part number
285A10107
Part serial
D04686
Condition
Faulted
Location
Ee Bay
Part time
23,684 hours, 7,249 cycles
Stage of operation
AP
How discovered
O
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AUTOPILOT B DISENGAGED DURING DESCENDING TURN FOR NO APPARENT REASON. ENGAGED AND HAD TO DO IT AGAIN IN DESCENDING TURN. ACFT GROUNDED. CYCLED SMYD 2 CMPTR DC "SPD LIM" FLAG OUT, MSG 27-32000 GONE. R & R NR 2 SMYD REF MM 27-32-42-400-801. ACCOMPLISHED LAND VERIFY TEST REF MM 22-00-01-730-801 ALL TEST PASSED.