What was found
FIRST OFFICER`S FMC 5R BUTTON IS INTERMITTENT AND HARD TO SELECT. ACFT GROUNDED. R & R THE FMC CDU KEYBOARD IAW AMM 34-61-01-400-801. ACCOMPLISHED CDU KEYBOARD TEST STEP D IAW AMM 34-61-01. SYS CHECKED NORMAL.
- Difficulty date
- January 27, 2018
- Submitted
- January 31, 2018
- Operation
- Air carrier
- Aircraft
- N431AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 43255
- Aircraft time
- 17,077 hours, 5,637 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Keyboard
- Part number
- 187042006
- Condition
- Damaged
- Location
- Fmc
- 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.