Service difficulty report · Floorbeam · Boeing 7378Q8

Difficulty date
September 10, 2020
Submitted
October 7, 2020
Operation
Air carrier
Aircraft
N801SY
Make and model
Boeing 7378Q8
Aircraft serial
30332
Aircraft time
63,730 hours, 24,799 cycles
Part
Floorbeam
Condition
Corroded
Location
Bs 947
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

FLOOR STRUCTURE AT BS 947 + 3" RBL 18 TO RBL 46 HAS CORROSION ON UPPER AND LOWER SURFACES OF TOP AROUND HOLES. REMOVED AND REPLACED FLOOR STRUCTURE AT BS 947+3 RBL 18 TO RBL 46 WITH NEW FLOOR STRUCTURE ITEM NR 147A5676U6 PO 801297, IAW SRM 51-40-02 AND DWG 147A5650 59568U. CORROSION MEASUREMENTS AS FOLLOWS L=1.0" W=1.0" D=.024". CORROSION FOUND TO BE OUT OF LIMITS, IAW SRM 53-70-51-1A-1 59568U.

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