SDR DU4R2007145

Service difficulty report · Floorbeam · Boeing 757232

Difficulty date: July 2, 2007
Submitted: July 20, 2007
Operation: Air carrier
Filed by: DU4R141M
AAR Aircraft Services, LLC
Aircraft: N638DL
Make and model: Boeing 757232
Aircraft serial: 23761
Aircraft time: 63,658 hours, 29,652 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 345
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

FOUND CORROSION ON UPPER T-CAP OF CABIN FLOORBEAM AT BS 345 B/L 48R. REPAIRED BY FABRICATING AND INSTALLING T-CAP PAN 75-3/4 FROM BAC 1505-100617, SPLICES 12 BY 2 BY ¾ FROM 7075-T6 .050 AND 8 BY 2 BY ¾ FROM 075-T6 .063”, STRIPS 11-1/2, 1 BY 6 BY 1 AND 10 BY 2 BY ¾ , 6-3/4 BY 2 BY ¾, 9-3/4 BY 1 AND 6 BY 1 FROM 7075-T6 .063 IAW B757 SRM 53-00-51 FIG 201.