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SDR DL75E090147

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Service difficulty report · Floorbeam · Boeing 7272Q8

FAA SDR system

Difficulty date
February 4, 2009
Submitted
February 11, 2009
Operation
Air carrier
Aircraft
N706TW
Make and model
Boeing 7272Q8
Aircraft serial
28165
Aircraft time
40,198 hours, 13,491 cycles
System (JASC)
5315 · Fuselage Main, Floor Beam
Part
Floorbeam
Part number
141N51122
Condition
Corroded
Location
Fs 365
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

DURING CURRENT HMV CHECK, EXTENSIVE CORROSION WAS FOUND ON THE FS 365 FLOORBEAM UPPER CHORD, FROM BL0 TO RHS END. THE UPPER CAP WAS CUT OUT AND A NEW SECTION SPLICE IN PER BOEING APPROVED REPAIR INSTRUCTIONS, AS IS DOCUMENTED IN ER/A 472304-14.

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