What was found
MAP FLAG ON CAPTAIN`S SIDE PAGE SHOWS IRS LEFT SIDE IS BLANK. ACFT GROUNDED. REALIGNED THE LT ADIRU IAW FIM 34-21 TASK 801. SHOWS NO CURRENT FAULTS. FLT MANAGMENT COMPUTER FIM 34-61 TASK 801, NO FAULTS OPS NORMAL.
- Difficulty date
- April 27, 2018
- Submitted
- April 30, 2018
- Operation
- Air carrier
- Aircraft
- N407AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41731
- Aircraft time
- 21,745 hours, 7,058 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Indicator
- Condition
- Malfunctioned
- Location
- Captain'S
- Stage of operation
- NR
- 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.