Service difficulty report · Case · Boeing 7474KZF

Difficulty date
August 6, 2019
Submitted
August 6, 2019
Operation
Air carrier
Aircraft
N508KZ
Make and model
Boeing 7474KZF
Aircraft serial
36135
Aircraft time
35,099 hours, 7,180 cycles
Engine
Ge CF680C2B1F
Part
Case
Condition
Corroded
Location
Nr 2 Engine Fan
Stage of operation
IN
How discovered
9
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

CORROSION ON OUTER CASE, NR 2 ENG FAN CASE ON 12 O'CLOCK TO 6 O'CLOCK, 8 O'CLOCK TO 12 O'CLOCK POSITION ON NAC STA 163. ACCOMPLISHED FAN CASE CORROSION REPAIR IAW ENG MANUAL GEK92451 ESM 72-23-01-220-572 REV. 88. JOB COMPLETED AND CONDITION CHECK NORMAL.

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