Service difficulty report · Warning Message · Boeing 74744AF

Difficulty date
July 31, 2017
Submitted
August 2, 2017
Operation
Air carrier
Aircraft
N576UP
Make and model
Boeing 74744AF
Aircraft serial
35665
Aircraft time
34,577 hours, 5,228 cycles
Engine
Ge CF680C2B1F
Part
Warning Message
Condition
False Activation
Location
Nr 2 Engine Fan
Stage of operation
CR
How discovered
9
Nature of condition
N
Precautionary procedure
O

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

What was found

NR 2 ENGINE FAN VIBRATION, AUTO DISPLAYED. OCCURRED AFTER TAKE OFF, STABLE CRUISE THRUST SETTING. TROUBLESHOT IAW FIM 71-00-00-101, FIG 118, NOTE 1, WITHIN LIMITS, OK FOR SERVICE

More about the Boeing 747-44AF