Service difficulty report · Longeron · Doug MD11F

Difficulty date
January 16, 2012
Submitted
January 17, 2012
Operation
Air carrier
Aircraft
N276WA
Make and model
Doug MD11F
Aircraft serial
48632
Aircraft time
54,808 hours, 9,793 cycles
Engine
Pwa PW4462
Part
Longeron
Part number
1D0542T
Condition
Corroded
Location
Fuselage
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

DURING DAMAGE REMOVAL, A SECTION OF LONGERON 39R (1D0542T) WAS REMOVED FROM STATION 1879 TO THE FACTORY SPLICE AT STA 1894.015 (52641454) NORMAL THICKNESS OF THE LONGERON BASE IS .206. HOWEVER, THE REMOVED SECTION INCORPORATE A TAPER IN THE BASE THICKNESS FROM .206 AT STA 1880.5 DOWN TO .075 AT STA 1887.5.

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