Service difficulty report · Floorbeam · Boeing 7572B7

Difficulty date
July 13, 2010
Submitted
July 14, 2010
Operation
Air carrier
Aircraft
N902FD
Make and model
Boeing 7572B7
Aircraft serial
27123
Aircraft time
53,534 hours, 22,034 cycles
Engine
Rroyce RB211535E4
Part
Floorbeam
Part number
141N5111
Condition
Corroded
Location
Bs 345
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

CABIN FLOORBEAM TEE AT STA 345.0 BETWEEN LBL 24.75 AND LBL 45.5 HAS CORROSION. REMOVED CORROSION FROM T-CAP STA 345, LBL24-45, IAW SRM 51-10-02. FOUND TO BE OUT OF LIMITS IAW SRM 53-00-51, FIG 101, DETAIL III. ORIG MATERIAL .125 AFTER REWORK .106. L=20" W=.5 R & R UPPER TEE LBL 50 TO RBL 30 IAW SRM 53-00-51, FIG 201, REPAIR 3. CLASSIFIED CATEGORY "A" MAJOR REPAIR.

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