Service difficulty report · Connector · Boeing 74747UF

Difficulty date
March 18, 2015
Submitted
March 18, 2015
Operation
Air carrier
Aircraft
N477MC
Make and model
Boeing 74747UF
Aircraft serial
29255
Aircraft time
67,504 hours, 12,082 cycles
Engine
Ge CF680
Part
Connector
Condition
Dirty
Location
Eec
Stage of operation
DE
How discovered
O
Nature of condition
R
Precautionary procedure
E

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

What was found

DURING DESCENT ENG 1 BECAME UNRESPONSIVE TO THROTTLE MOVEMENT. EGT WAS 659 DEGREES & CLIMBING WITH THROTTLE AT IDLE. PRECAUTIONARY SHUTDOWN ACCOMPLISHED, NO CMC MSG FOUND 1. PERFORMED VISUAL CHECK ENG INTAKE, TAIL PIPE & MAG CHIP DETECTOR, METAL NOT FOUND IAW AMM 79-21-05-202-024-J00. CLEANED CHANNEL A & B PLUGS OF EEC IAW AMM 73-21-15 401. THRUST REVERSER SYS OPERATIONAL CHECK NORMAL IAW AMM 78-31-00. ENG RUN OPERATION CHECK NORMAL IAW AMM 71-00-00. ACFT OK TO SVC IAW AMM TASK 72-00-00-206-045-J00. POST WINDMILL INSPECTION OK IAW AMM 72-00-00-206-059-J00.

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