Service difficulty report · Display · Boeing 737823

Difficulty date
August 22, 2019
Submitted
August 23, 2019
Operation
Air carrier
Aircraft
N961AN
Make and model
Boeing 737823
Aircraft serial
30092
Aircraft time
54,562 hours, 22,851 cycles
Part
Display
Condition
Malfunctioned
Location
Hud
Stage of operation
CL
How discovered
O
Nature of condition
P
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIRCRAFT NOT GROUNDED: PILOT REPORTS ON TAKEOFF NO FPS AND NO LATERAL GUIDANCE ON HUD. FMA PANEL LNAV ENGAGED BUT HUD HAD HDG SELECT. BOTH PFD FMA'S HAD LNAV ENGAGED AND PFD'S OPERATED NORMALLY. HUD FAILED LAND 3. NOTE: ALL SYMOBLY RETURNED TO NORMAL ON CLIMB OUT. ALL SYMBOL NORMAL IN APPROACH. MAINTENANCE PERFORMED BITE ON DFGC'S, NO FAULTS NOTED. ACCOMPLISHED BITE TEST ON BUD OK.