United Airlines 173
Printed page 30. PDF page 36.
Supplemental Type Certificate $A3357 WE-D for completeness, especially in the area of system calibration after installation. (Class II--Priority Action) (X-79-33)” “Issue an operations bulletin to all air carrier operations , inspec tors directing them to urge their assiOpen official document at PDF page 36United Airlines, Inc., McDonnell-Douglas DC-8-61, N8082U, Portland, Oregon, December 28, 1978