Service difficulty report · Duct · Boeing 74746NF

Difficulty date
May 6, 2016
Submitted
May 10, 2016
Operation
Air carrier
Aircraft
N452PA
Make and model
Boeing 74746NF
Aircraft serial
30810
Aircraft time
65,707 hours, 10,854 cycles
Part
Duct
Condition
Chafed
Location
Nr 1 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 1 ENGINE RT CORE COWL AIR COOLING DUCT INTERNAL EDGE AREA FOUND DEEP CHAFING. NR 1 ENGINE, RT CORE COWL AIR COOLING DUCT INTERNAL EDGE, PRE-COOLER EXIT DUCT. REPAIRED IAW ROHR SB TBC 80C2-NAC-71-032.

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