SDR UIEA2018111642613

Service difficulty report · Case · Boeing 7673Y0

Difficulty date: November 14, 2018
Submitted: November 16, 2018
Operation: Air carrier
Aircraft: N1181A
Make and model: Boeing 7673Y0
Aircraft serial: 26206
Aircraft time: 84,273 hours, 20,757 cycles
Engine: Ge CF680C2B7F
System (JASC): 7220 · Turbine Engine Air Inlet Section
Part: Case
Condition: Corroded
Location: Nr 1 Engine Fan
Stage of operation: NR
How discovered: 9
Nature of condition: O
Precautionary procedure: O

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

What was found

CORROSION AROUND 3EA FASTENERS HOLES ON #1 ENG FAN CASE EXTERNAL SURFACE, LOCATED APPROX BETWEEN 7 AND 8 O CLOCK POSITION AND JUST BELOW THE ECU(<P>REMOVED CORROSION, EVALUATED AREA AND FOUND WITHIN LIMITS IAW GE CF6-80C2 ENGINE MANUAL 72-22-01. TREATED AND PRIMED.</P>)

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