What was found
DESCENDING ACFT ABRUPTLY PITCHED UP & STARTED TO CLIMB ON AUTOPILOT. DISCONNECT AUTOPILOT & RE-ENGAGED LATER & OPERATIONS WERE NORMAL. VERIFIED NO CMC ACTIVE FAULTS. PERFORMED AUTO LAND UNIQUE TEST & PASSED IAW AMM 27-00-00.
- Difficulty date
- December 1, 2014
- Submitted
- December 2, 2014
- Operation
- Air carrier
- Aircraft
- N458MC
- Make and model
- Boeing 747446
- Aircraft serial
- 26356
- Aircraft time
- 65,794 hours, 13,859 cycles
- System (JASC)
- 2210 · Autopilot System
- Part
- Autopilot Sys
- Condition
- Malfunctioned
- Location
- Cockpit
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- F, P
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.