Service difficulty report · Floorbeam · Boeing 727225

Difficulty date
October 4, 2005
Submitted
October 25, 2005
Operation
Air carrier
Filed by
DU4R141M
AAR Aircraft Services, LLC
Aircraft
N742DH
Make and model
Boeing 727225
Aircraft serial
21290
Part
Floorbeam
Condition
Corroded
Location
Bs 1120
Stage of operation
IN
How discovered
U
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

AFT PIT CEILING, CABIN FLOORBEAM BS 1120 UPPER SURFACE HAS CORROSION AT RBL 44. REMOVED CORROSION IAW B727 SRM 51-10-6, UT INSPECTED. CUT OUT CORROSION, FABRICATED AND INSTALLED FLOORBEAM REPAIR 9-3/4" BY 2.9" BY .300" FROM 7075-T6 .050 AND 8.0" BY 2.0" BY 1" BY .300 FROM 7075-T6 .063 AND FILLER 1-1/2" BY 1-1/8" FROM 7075-T6 .156 IAW B727 SRM 53-10-8 FIG 10 AND 51-30-2.