Service difficulty report · Duct · Boeing 74746NF

Difficulty date
July 14, 2025
Submitted
July 17, 2025
Operation
Air carrier
Aircraft
N450PA
Make and model
Boeing 74746NF
Aircraft serial
30808
Aircraft time
100,859 hours, 16,937 cycles
Engine
Ge CF680C2B1F
Part
Duct
Condition
Chafed
Location
Nr 4 Engine
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

NR 4 ENG RH C-DUCT FWD BLOWOUT DOOR L/E FOUND CHAFING. CHAFING AREA REPAIRED AS PER ST ENGINEERING CMM 78-32-09 REPAIR 5. NO FURTHER DEFECTS NOTED.

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