What was found
SAL - Q6 - MAJOR REPAIR - LEVEL 2 GALVANIC CORROSION ON LOWER SILL BEAM ASSEMBLY BETWEEN BS 294.5 TO BS 360 AT S17L, LBL 60. REPLACED LOWER SILL BEAM ASSEMBLY BETWEEN BS 294.5 TO BS 360 AT S17L, LBL 60 IAW B737 SRM 51-10-02.
- Difficulty date
- March 21, 2009
- Submitted
- April 16, 2009
- Operation
- Air carrier
- Aircraft
- N441US
- Make and model
- Boeing 7374B7
- Aircraft serial
- 24812
- Aircraft time
- 50,086 hours, 35,130 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Sill
- Part number
- 65317878
- 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.