Service difficulty report · Computer · Boeing 737322

Difficulty date
November 9, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N389UA
Make and model
Boeing 737322
Aircraft serial
24664
Engine
Ge CFM56*
Part
Computer
Condition
Failed
Location
Cockpit
Component
Smith Indust · 1689250601
Stage of operation
TO
Nature of condition
N
Precautionary procedure
A

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

What was found

ON TAKEOFF, ALL ENGINE FAN SPEED INDICATIONS WERE LOST ON THE FLIGHT MANAGEMENT COMPUTER. *S/D* REPLACED THE FLIGHT MANAGEMENT COMPUTER. THE DIGITAL FLIGHT COMPUTER SYSTEM TESTED, OK.