SDR USAA2009072091885

Service difficulty report · Sill · Boeing 7374B7

Difficulty date: June 23, 2009
Submitted: July 20, 2009
Operation: Air carrier
Aircraft: N449US
Make and model: Boeing 7374B7
Aircraft serial: 24893
Aircraft time: 50,739 hours, 35,312 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Sill
Part number: 654587512
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

CLT - Q2 - MAJOR REPAIR - LEVEL 2 EXFOLIATION CORROSION AT FORWARD SERVICE DOOR SILL SUPPORT AT BS 328, S17L (ATTACHED TO RIGHT CREASE BEAM INNER CHORD). REPLACED FORWARD SERVICE DOOR SILL SUPPORT AT BS 328, S17L (ATTACHED TO RIGHT CREASE BEAM INNER CHORD) IAW B737 SRM 51-40-02.

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