- Difficulty date
- July 29, 2014
- Submitted
- August 5, 2014
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35189
- Aircraft time
- 26,066 hours, 8,101 cycles
- Part
- Light
- Condition
- Inoperative
- Location
- Control Panel
- Part time
- 13,526 hours, 5,529 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ONE LIGHT SEGMENT ON VNAV SELECT BUTTON ON MCP INOPERATIVE. ACFT GROUNDED. CONFIRMED FAULT. MCP VNAV SELECT PUSH-BUTTON LIGHT INOPERATIVE. R & R MCP IAW AMM 22-11-34. OPS CHECK NORMAL REF AMM 22-11-34 (GP32) DFCS LRU INTERFACE TEST, DFCS LAND VERIFY TEST (GP49) REF AMM 22-11-00, & HGS SENSOR TEST REF SMM 34-36-00.