Service difficulty report · Floorbeam · Boeing 727227

Difficulty date
March 16, 2010
Submitted
March 17, 2010
Operation
Air carrier
Aircraft
N479FE
Make and model
Boeing 727227
Aircraft serial
21461
Aircraft time
44,408 hours, 28,804 cycles
Part
Floorbeam
Part number
65198691
Condition
Corroded
Location
Bs 890
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

FLOORBEAM ABOVE RT MLG WHEEL WELL CORRODED ON FWD SURFACE BS 890, RBL 22 TO RBL 28. CUT-OUT DAMAGED AREA AT BS 890 RBL 22 TO 28 DIM: 4.125" X 2.750" AND 2" X 2.9" IAW SRM 51-40-4, FIG 1. HFEC INSPECTED CUT-OUT IAW NDTM 51-00-00 FIG 23, PT 6 NO DEFECTS NOTED. FABRICATED ANGLES FROM 7075O .125 DIM: 16" X 6.150" (2 EA ) AND 17.750" X 6.3" (2 EA). SHIM REPAIR FROM 7075T6 .050 DIM: 16.5" X 5.5" (2 EA) 7075T6 .100 DIM: 4.125" X 2.750" AND 2.9" X 2" IAW SRM 53-10-2 FIG 7 AND 51-40-4 FIG 1. HEAT TREATMENT INSP 7075O TO T6 IAW ER 2-37153-801 REV A. LOCATED AND DRILLED PART REPAIR IAW SRM 51-40-4, FIG 1. TREATED AND PRIMED NEW PARTS. INSTALLED REPAIR INSTALLATION AT BS 890 RBL 18 TO 35 IAW SRM 51-30-2.