Service difficulty report · Link · Boeing 74744AF

Difficulty date
June 30, 2017
Submitted
July 3, 2017
Operation
Air carrier
Aircraft
N572UP
Make and model
Boeing 74744AF
Aircraft serial
35669
Aircraft time
35,485 hours, 5,518 cycles
Engine
Ge CF680C2B1F
Part
Link
Condition
Broken
Location
Nr 3 Engine
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

SECONDARY INDICATION DROP DOWN PAGE SHOWED INTERMITTENT VIBRATION NUMBERS UP TO 5.0 ON ENGINE NR 3. INDICATIONS WERE NOTICED DURING LOW IDLE AND BELOW ONLY. PERFORMED FIM 71-00-00-101 AND FOUND HPT TCC DUCT LINK BROKEN, R & R IAW MM 75-24-03. ALSO FOUND LPT BUSHING WORN, R & R IAW MM 75-24-03.

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