SDR UIEA2025030194202

Service difficulty report · Case · Boeing 76731K

Difficulty date: March 15, 2025
Submitted: March 20, 2025
Operation: Air carrier
Aircraft: N1373A
Make and model: Boeing 76731K
Aircraft serial: 27205
Aircraft time: 111,285 hours, 24,569 cycles
Engine: Ge CF680C2B2
System (JASC): 7220 · Turbine Engine Air Inlet Section
Part: Case
Condition: Corroded
Location: Nr 1 Engine Fan
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

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

What was found

ENG 1, FWD FAN CASE, AT 6 O'CLOCK APPROX, FWD MATING FLANGE WITH SEVERAL POINTS OF CORROSION (2EA).(<P>ENG 1, FWD FAN CASE, AT 6 O'CLOCK APPROX, FWD MATING FLANGE CORROSION LEVEL 1 WERE REWORKED, EVALUATED, INSPECTED AND FOUND TO BE WITHIN ALLOWABLE LIMITS IAW AMM 72-33-00-206-001-H00 PAR 10 REV 144. NO FURTHER DEFECTS NOTED.</P>)

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