Service difficulty report · Panel · Boeing 737890

Difficulty date
February 21, 2011
Submitted
February 23, 2011
Operation
Air carrier
Aircraft
N566AS
Make and model
Boeing 737890
Aircraft serial
35181
Aircraft time
15,675 hours, 4,892 cycles
Part
Panel
Part number
8221567102AS
Part serial
16GVX7
Condition
Damaged
Location
Cockpit
Part time
15,695 hours, 4,899 cycles
Stage of operation
NR
How discovered
O
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

MCP IAS/MACH WINDOW BACKGROUND HAS CHIPS ALLOWING BACKLIGHTING TO SHINE THROUGH SMALL CHIPS DOES NOT INTERFERE WITH OPERATION. DUPLICATED DEFECT. REPLACED DFCS MCP REF MM 22 11 34, OPS CHECK NML. ALSO ACCOMP DFCS LRU MCP #32 TEST LAND VERIFY NR 49 TEST AND HGS SENSOR FCC/AT TEST ALL CHECK NML REF MM:22 11 34 22 11 00 & SMM: 34 36 00. A/C REMAINS CAT IIIA AUTOLAND AND HGS QUAL & SCREW SHOW SAME.