What was found
NO 1 FMC EICAS MSG ENROUTE, SCRATCH PAD MSG SHOWED SPLIT IRS. R&R LEFT AND CENTER IRS IAW AMM 34-21-01, OPS CHECK NORMAL.
- Difficulty date
- October 22, 2018
- Submitted
- October 25, 2018
- Operation
- Air carrier
- Aircraft
- N1489A
- Make and model
- Boeing 76731K
- Aircraft serial
- 27206
- Aircraft time
- 103,325 hours, 19,926 cycles
- System (JASC)
- 3420 · Attitude and Direction Data System
- Part
- Irs
- Part number
- HG1050AD15
- Part serial
- 5126
- Condition
- Malfunctioned
- Location
- Cockpit
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.