What was found
RT FMC LSK 5R + 6R TOP LAYER MISSING. GROUNDED - YES. REMOVED AND REPLACED F/O'S FMC CDU REF B737-900 AMM 34-61-01, OPS CHECK GOOD. CDU SOFTWARE CONFIGURATION CHECK COMPLIED WITH REF AMM 34-61-00.
- Difficulty date
- August 29, 2022
- Submitted
- August 31, 2022
- Operation
- Air carrier
- Aircraft
- N483AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36350
- Aircraft time
- 25,930 hours, 8,153 cycles
- System (JASC)
- 3461 · Flight Management Computing Software System
- Part
- Fmc
- Part number
- 1741010303
- Part serial
- 004823
- Condition
- Defective
- Location
- Flight Deck
- Part time
- 25,932 hours, 8,154 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.