SDR ASAA2018081645804

Service difficulty report · Control Panel · Boeing 737990ER

Difficulty date: August 14, 2018
Submitted: August 16, 2018
Operation: Air carrier
Aircraft: N471AS
Make and model: Boeing 737990ER
Aircraft serial: 41703
Aircraft time: 15,507 hours, 5,125 cycles
System (JASC): 2210 · Autopilot System
Part: Control Panel
Part number: 4082260939
Part serial: 97091173
Condition: Delaminated
Location: Cockpit
Part time: 10,357 hours, 4,076 cycles
Stage of operation: NR
How discovered: 9
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

CAPTAIN`S COURSE WINDOW DELAMINATED, DIFFICULT TO READ DIGITS. ACFT GROUNDED. CONFIRMED FAULT. REMOVED & REPLACED MCP IAW AMM 22-11-34. ACCOMPLISHED MCP INSTALLATION TEST IAW AMM 22-11-34-740-801, LRU REPLACEMENT TEST FOR MCP (GP 32) IAW AMM 22-11-34, 501, DFCS LAND VERIFY TEST (GP 49) IAW AMM 22-11-00/201, & HGS SYSTEM TEST IAW SMM 34-36-00, OPS CHECKED NORMAL.