Service difficulty report · Control Panel · Boeing 737890

Difficulty date
August 3, 2017
Submitted
August 8, 2017
Operation
Air carrier
Aircraft
N589AS
Make and model
Boeing 737890
Aircraft serial
35686
Aircraft time
37,244 hours, 11,262 cycles
Part
Control Panel
Part number
4082260939
Part serial
02498844
Condition
Failed
Location
Cockpit
Part time
55,922 hours, 20,982 cycles
Stage of operation
NR
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

FIRST DIGIT ON NR 1 COURSE SELECTOR INDICATION ON MCP NOT CORRECT. ACFT GROUNDED. REPLACED DFCS MCP, REF B737-800 AMM 22-11-34-400-801. OPS NORMAL. ACCOMPLISHED LLM TESTS DFCS BITES 32 & 49 - TESTS PASSED. GROUND VERIFICATION SUCCESSFUL.