Service difficulty report · Module · Boeing 737890

Difficulty date
August 8, 2009
Submitted
August 17, 2009
Operation
Air carrier
Aircraft
N517AS
Make and model
Boeing 737890
Aircraft serial
35197
Aircraft time
2,223 hours, 674 cycles
Part
Module
Part number
285A10109
Part serial
285A1010D06004
Condition
Failed
Location
E/E Bay
Part time
2,298 hours, 691 cycles
Stage of operation
DE
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

F/O'S FLIGHT DIRECTOR PITCH BAR FAILED DURING DESCENT AND B AUTOPILOT WOULD NOT ENGAGE. GROUNDED YES. NR 1 DEU LOGGED FAULT CODE 31 69741 NO STALL MANAGEMENT 2 DATA TO DEU 1.REMOVED AND REPLACED NR 2 SMYD REF MM 27 32 42 OPS CHECK NORMAL. B AUTOPILOT GROUND VERIFICATION TEST PASSED REF MM 22 11 00.