Service difficulty report · Floorbeam · Boeing 7572B7

Difficulty date
April 8, 2013
Submitted
April 15, 2013
Operation
Air carrier
Aircraft
N935UW
Make and model
Boeing 7572B7
Aircraft serial
27201
Aircraft time
60,911 hours, 24,146 cycles
Part
Floorbeam
Part number
141N5111
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

C4 CHECK - LEVEL 2 GALVANIC CORROSION ON FLOORBEAM UPPER FLANGE AT BS 345, BL 0. REPAIRED FLOORBEAM AT BS 345 BETWEEN LBL 10 TO RBL 53 IAW B757 SRM 51-10-02, 53-00-51 & 53-00-51, 2R.

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