What was found
FMS DATA BECAME UNRELIABLE. FUEL NUMBERS CHANGED TO 34,000 LBS IN FLIGHT. NO CORRELATED CMC MESSAGE. PERFORMED OPS CHECK OF THE FMS IAW AMM 34-61-00710-801, NO DEFECTS NOTED.
- Difficulty date
- January 16, 2018
- Submitted
- January 17, 2018
- Operation
- Air carrier
- Aircraft
- N253NN
- Make and model
- Emb ERJ170200LR
- Aircraft serial
- 17000649
- Aircraft time
- 2,068 hours, 1,333 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Fms
- Condition
- Inaccurate
- 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.