What was found
LEFT FMC FAIL AT CRUISE, RAN FMC FAIL CHECKLIST AND DUAL FMC OPS RESTORED. FMC FAILED A SECOND TIME. CONTINUED FLIGHT SINGLE FMC OPS. ACFT GROUNDED. R & R LT FMC COMPUTER REF AMM 34-61-02. SOFTWARE CROSSLOADS GOOD. OPS NORMAL.
- Difficulty date
- March 8, 2016
- Submitted
- March 11, 2016
- Operation
- Air carrier
- Aircraft
- N468AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41735
- Aircraft time
- 6,706 hours, 2,206 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Fmc
- Part number
- 1762000101
- Part serial
- 008965
- Condition
- Failed
- Location
- Left
- Part time
- 6,699 hours, 2,201 cycles
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.