SDR DU4R2006686

Service difficulty report · Floorbeam · Boeing 757232

Difficulty date: November 6, 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

CORROSION ON MAIN CABIN FLOORBEAM UPPER CAP AT BS 365 FROM BL 0 TO RBL 24. CUT OUT CORRODED AREA. FABRICATED AND INSTALLED FLOORBEAM REPAIR 130-3/4" BY 36-1/4" FROM 7075T73 .125" "T", 7-1/2" BY 1" FROM 7075-T6 .090", 11" BY 3/4" BY 1-7/8" FROM 7075-T6 .050", 8-1/4" BY 1" AND 71" BY 2" BY 2" FROM 7075-T6 .063", AND 9" BY 1/2" FROM 7075-T6 .125" IAW B757 SRM 53-10-51D, 51-40-05 AND 51-20-01.