What was found
IN IAS/MACH WINDOW ON MCP A SMALL HORIZONTAL LINE IS OBSCURING THE FIRST DIGIT OF SPEED DISPLAY. GROUNDED - YES. REMOVED & REPLACED MCP REF B737-900 AMM 22-11-34.
- Difficulty date
- June 12, 2023
- Submitted
- June 14, 2023
- Operation
- Air carrier
- Aircraft
- N479AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 60576
- Aircraft time
- 28,064 hours, 8,739 cycles
- System (JASC)
- 2210 · Autopilot System
- Part
- Control Panel
- Part number
- 8221567102
- Part serial
- 17FC6T
- Condition
- Degraded
- Location
- Cockpit
- Part time
- 46,753 hours, 14,022 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.