What was found
FIRST OFFICERS FLIGHT DIRECTOR AZIMUTH BAR DISAPPEARED WHEN MODE CHANGED FROM LATERAL NAVIGATION TO HEADING SELECT, NO LAST FLIGHT FAULTS. REPLACED FCC R PRECAUTIONARY IAW MM. CAT III TEST ACCOMPLISHED IAW MM. TEST PASSED NO FAULTS..
- Difficulty date
- August 27, 2013
- Submitted
- August 28, 2013
- Operation
- Air carrier
- Aircraft
- N520UA
- Make and model
- Boeing 757222
- Aircraft serial
- 24890
- Aircraft time
- 74,410 hours, 27,767 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 2210 · Autopilot System
- Part
- Unknown
- Condition
- Malfunctioned
- Location
- Autopilot Sys
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.