Service difficulty report · Floor Support · Boeing 7572B7

Difficulty date
February 26, 2008
Submitted
February 27, 2008
Operation
Air carrier
Aircraft
N903FD
Make and model
Boeing 7572B7
Aircraft serial
27124
Aircraft time
47,097 hours, 19,245 cycles
Part
Floor Support
Part number
143N54103
Condition
Corroded
Location
Zone 200
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

FLOOR SUPPORT BY THE L2 DOOR, STA 700-720, LBL 60, WL208 HAS CORROSION. REMOVED CORROSION FROM FLOOR SUPPORT, L=12.0, W=1.7, D=0.015, ORIGINAL MATERIAL THICKNESS = 0.063. FOUND TO BE OUT OF SRM 53-00-51, FIG 101, DETAIL II AND III LIMITS. REMOVED AND REPLACED FLOOR SUPPORT (U CHANNEL) IAW SRM 51-40-02. REPLACEMENT PART FABRICATED ON MAE TRAVELER T7/713364 FROM 7075-0, 0.056B, HEAT TREATED TO T6 IAW SRM 51-10-02.

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