Service difficulty report · Floorbeam · Boeing 727227

Difficulty date
October 21, 2010
Submitted
October 25, 2010
Operation
Air carrier
Aircraft
N490FE
Make and model
Boeing 727227
Aircraft serial
21493
Aircraft time
43,394 hours, 28,778 cycles
Part
Floorbeam
Part number
652083272
Condition
Corroded
Location
Bs 950d
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 LOWER SURFACE OF FLOORBEAM LOWER FLANGE, STA 950D, LBL 25 - LBL 45 CUT OUT DAMAGE IN LOWER CHORD OF FLOORBEAM 23 1/4" LONG IAW SRM REV 103, 53-10-8 FIG 2. FABRICATED 2 REPAIR ANGLES FROM 7075-T6, .063" X 31 1/2" X 2 5/8", FILLER FROM BAC 1505-100797, 23 1/4" X 2 3/8", STRAP FROM 7075-T6 .063" X 33 5/8" X 2 1/8" IAW SRM 53-10-8 FIG 2, INSTALLED ANGLES, FILLER AND STRAP IAW SRM 53-10-8 FIG 2.