Service difficulty report · Floor Support · Boeing 7572B7

Difficulty date
July 6, 2014
Submitted
July 8, 2014
Operation
Air carrier
Aircraft
N940UW
Make and model
Boeing 7572B7
Aircraft serial
27805
Aircraft time
64,324 hours, 24,416 cycles
Part
Floor Support
Part number
141N517048
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 L1 DOOR LOWER SILL FLOOR SUPPORT BETWEEN BS 365.25 TO 377.7, LBL 56. REPLACED FLOOR SUPPORT BETWEEN BS 365.25 TO 377.7, LBL 56 IAW SRM 51-40-02 & 51-40-05.

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