What was found
VNAV Disconnects in flight without command. Will not re-engage. All nav data lost. "Verify IRS position" message appears. CND.
- Difficulty date
- March 14, 2002
- Submitted
- March 15, 2002
- Operation
- Air carrier
- Aircraft
- N372PA
- Make and model
- Boeing 737306
- Aircraft serial
- 23546
- Aircraft time
- 32,171 hours, 25,466 cycles
- System (JASC)
- 2210 · Autopilot System
- Part
- Autopilot Sys
- Stage of operation
- CR
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.