SDR 9609846719

Service difficulty report · Ratio Changer · Boeing 747251F

Difficulty date
May 4, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N619US
Make and model
Boeing 747251F
Aircraft serial
21321
Part
Ratio Changer
Condition
Failed
Location
Rudder Control
Stage of operation
CL
Nature of condition
J
Precautionary procedure
A

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

What was found

DURING CLIMB, THE RUDDER RATIO LIGHT ILLUMINATED AFTER RETRACTING THE FLAPS. RESET CIRCUIT BREAKER AND LIGHT REMAINED ILLUMINATED. AIRCRAFT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. REPLACED THE UPPER RUDDER RATIO CHANGER. FLAP OPERATIONAL CHECK GOOD.