What was found
FO SIDE "R5" BUTTON ON MCDU NOT WORKING. GROUNDED-YES. REMOVED AND REPLACED F/O CDU KEYBOARD, REF B737-900 AMM 34-61-01. OPERATIONS CHECKS GOOD. ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION SUCCESSFUL.
- Difficulty date
- January 22, 2021
- Submitted
- January 26, 2021
- Operation
- Air carrier
- Aircraft
- N481AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44106
- Aircraft time
- 20,628 hours, 6,587 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Keyboard
- Part number
- 187042006
- Condition
- Inoperative
- Location
- Key R5
- 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.