Service difficulty report · Flight Dir · Boeing 737823

Difficulty date
July 10, 2019
Submitted
July 11, 2019
Operation
Air carrier
Aircraft
N972AN
Make and model
Boeing 737823
Aircraft serial
30097
Aircraft time
53,938 hours, 22,085 cycles
Part
Flight Dir
Condition
Intermittent
Location
Cockpit
Stage of operation
CL
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.

What was found

AIRCRAFT WAS GROUNDED: PILOT REPORTS CAPTS FLIGHT DIRECTOR INTERMITTENT, FLASHING AND UNUSABLE AFTER T/O. TOGA FD COMMANDS WENT AWAY. SECURED CA FD FOR REMAINDER OF FLIGHT. N1 REFERENCE BUGS FLUCTUATED CONTINUOUSLY. AUTOPILOT DISCONNECTED ON APPROACH. ACCOMPLISHED THE DFCS BITE IAW FIM 22-11-00. PERFORMED THE OPS CHECK OF THE LRAA IAW AMM 34-33-00. NO FAULTS NOTED.