Service difficulty report · Control Panel · Boeing 737890

Difficulty date
November 24, 2016
Submitted
November 28, 2016
Operation
Air carrier
Aircraft
N568AS
Make and model
Boeing 737890
Aircraft serial
35183
Aircraft time
37,557 hours, 11,532 cycles
Part
Control Panel
Part number
8221567102
Part serial
16D3F6
Condition
Failed
Location
Flight Deck
Part time
39,156 hours, 11,454 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

VERTICAL SPEED DISPLAY HAS ILLUMINATION THAT SHOULD NOT BE THERE. ACFT GROUNDED. REMOVED AND REPLACED MODE CONTROL PANEL IAW AMM 22-11-34. INSTALLATION TEST PASSED IAW AMM 22-11-34-740-801. ACCOMPLISHED DFCS MCP LRU INTERFACE TEST GRP BITE 32 AND LAND VERIFY TEST GRP BITE 49 BOTH TEST OPS NORMAL IAW AMM 22-11-00/201. ACCOMPLISHED HGS FCC/AT SENSOR DATA TEST OPS NORMAL IAW MMS 34-36-00. AIRCRAFT REMAINS CAT IIIA AUTOLAND AND HGS, SCREW REFLECT SAME.