SDR DU4R2007023

Service difficulty report · Floor Support · Boeing 757232

Difficulty date: January 15, 2007
Submitted: January 25, 2007
Operation: Air carrier
Filed by: DU4R141M
AAR Aircraft Services, LLC
Aircraft: N684DA
Make and model: Boeing 757232
Aircraft serial: 27104
Aircraft time: 47,715 hours, 21,659 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
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 LWR FLANGE OF FLOOR SUPPORT WEB AT BS 1620 LBL 3 IN AFT PIT. REMOVED CORRODED INTERCOSTAL WEB. FABRICATED AND INSTALLED REPAIR INTERCOSTAL WEB 20" BY 9" FROM 7075-T6 .040" IAW B757 SRM 51-30-01, 51-40-05, 51-20-01, 51-40-02.