What was found
FIRST OFFICER`S MASTER LIGHT IS INOPERABLE. ALL SYSTEMS OPERATING NORMAL. GROUNDED - YES. VERIFIED DISCREP, REF B737-900 AMM 22-11-34. REMOVED & REPLACED DFCS MCP. MCP OPS NORMAL, REF SAME AND REQD LLM LAND VERIFY TEST GOOD.
- Difficulty date
- August 20, 2020
- Submitted
- August 24, 2020
- Operation
- Air carrier
- Aircraft
- N419AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41734
- Aircraft time
- 27,938 hours, 8,984 cycles
- System (JASC)
- 2210 · Autopilot System
- Part
- Control Panel
- Part number
- 8221567102
- Part serial
- 16GVMM
- Condition
- Inoperative
- Location
- Mode
- Part time
- 46,864 hours, 15,051 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.