Service difficulty report · Floorbeam · Boeing 727247

Difficulty date
December 8, 2010
Submitted
December 13, 2010
Operation
Air carrier
Aircraft
N233FE
Make and model
Boeing 727247
Aircraft serial
21327
Aircraft time
69,974 hours, 48,638 cycles
Part
Floorbeam
Part number
6520827155
Condition
Corroded
Location
Bs 660
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

CORROSION ON UPPER FLANGE OF FLOORBEAM AT BS 660, LBL 10. CUTOUT DAMAGED AREA APPROX DIM: 3" X 2" AND FABRICATED UPPER CHORD FROM BAC1505- 160617-7075T7 APPROX DIM: 16" LONG, FABRICATED 2 EA. ANGLES MATERIAL USED BAC1490 2785 7075T6 APPROX DIM: 16" X 2 3/4" AND FROM 1490 2831 7075T6 APPROX DIM: 11 1/2" X 2 3/4" AND FABRICATED 2 EA. STRAPS MATERIAL USED BAC 1512-3396 APPROX DIM: 12 1/2" X 1" AND 7075T6 .050 DIM: 16 1/4" X 1" IAW SRM 53-10-8 FIG 3 AND 51-30-5. INSTALLED REPAIR PARTS IAW SRM 51-30-2.