What was found
C4 CHECK LEVEL 2 GALVANIC CORROSION ON FLOOR SUPPORT STRUCTURE BETWEEN BS 720 TO BS 740, LBL 63. REPLACED FLOOR SUPPORT BETWEEN BS 720 TO BS 740, LBL 63 IAW SRM 51-40-02, 51-21-01, 51-10-02 & 51-21-15.
- Difficulty date
- May 16, 2014
- Submitted
- May 19, 2014
- Operation
- Air carrier
- Aircraft
- N939UW
- Make and model
- Boeing 7572B7
- Aircraft serial
- 27303
- Aircraft time
- 64,411 hours, 24,551 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- Part number
- 143N55225
- 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.