SDR DALA1122435523

Service difficulty report · Fitting · Boeing 757251

Difficulty date: March 27, 2011
Submitted: March 28, 2011
Operation: Air carrier
Aircraft: N523US
Make and model: Boeing 757251
Aircraft serial: 23617
Aircraft time: 77,328 hours, 32,009 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Fitting
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

L-1 DOOR LWR SILL THRESHOLD SUPPORT STRUCTURE WEB FITTINGS AND ANGLES LITE CORROSION STA 333-377 LBL 63. ORIGINAL MATERIAL WAS .050" LENGTH WAS 15"WIDTH 1" DEPTH WAS .011". GAINED ACCESS PER B757 SRM 51-40-02. FABRICATED, LOCATED, DRILLED AND INSTALLED V CHANNEL LWR SILL FROM TRAVELER 141X18322-12 AND DWG 141N8322 PER SRM 51-40-02 PG:3 RESTORED ALL PARTS WEB CHANNELS AND 2 FITTINGS PER SRM 51-40-02 PG:4.