Service difficulty report · Stiffener · Boeing 75724APF

Difficulty date
April 22, 2010
Submitted
May 3, 2010
Operation
Air carrier
Aircraft
N460UP
Make and model
Boeing 75724APF
Aircraft serial
25481
Aircraft time
19,979 hours, 12,578 cycles
Engine
Rroyce RB211535E4
Part
Stiffener
Condition
Chafed
Location
Firewall
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

INSPECTION TYPE:C3, NR 2 ENG FWD FIREWALL STIFFENER (SPRING FINGER CONTACT LAND) LOCATED AT 5 O'CLOCK TO 6 O'CLOCK POSITION IS CHAFED ON EXTERNAL FACE DUE TO CONTACT WITH FAN COWL RUB STRIP. STIFFENER WAS REPLACED IAW RB211 EM 72-34-11-300-001.

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