SDR DU4R2006687

Service difficulty report · Floorbeam · Boeing 757232

Difficulty date: November 4, 2006
Submitted: November 27, 2006
Operation: Air carrier
Filed by: DU4R141M
AAR Aircraft Services, LLC
Aircraft: N681DA
Make and model: Boeing 757232
Aircraft serial: 26957
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Fuselage
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

HEAVY CORROSION ON MAIN CABIN FLOORBEAM UPPER CAP AT BS 720 LBL 4. FABRICATED AND INSTALLED FLOORBEAM REPAIR 12" BY 1.6" FROM BAC1505-100617, 9" BY .7" FROM 7075-T6 .125", 11.25" BY .9" FROM 7075-T6 .063", 11.25" BY .9" FROM 7075-T6 .090", AND 9" BY 1/2" FROM 7075-T6 .125" IAW B757 SRM 53-10-51D, 51-40-05 AND 51-20-01.