What was found
# 1 FMC ONLY WORKS WITH RTE PAGE. GROUNDED - YES. AFTER POWER TRANSFER (APU TO GPU) FMC OPERATES NORMALLY. PERFORMED #1 FMC OPERATIONAL TEST REF B737-900 AMM 34-61-00. ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION SUCCESSFUL.
- Difficulty date
- February 10, 2020
- Submitted
- February 13, 2020
- Operation
- Air carrier
- Aircraft
- N495AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41728
- Aircraft time
- 15,714 hours, 5,027 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Fmc
- Condition
- Malfunctioned
- Location
- Nr 1
- 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.