What was found
C4 CHECK - LEVEL 2 INTERGRANULAR CORROSION ON FLOOR SUPPORT BETWEEN BS720 TO BS740, RBL62. REPLACED FLOOR SUPPORT BETWEEN BS720 TO BS740, RBL62 IAW B757 SRM 51-10-02, 53-00-04-1A & 51-40-02.
- Difficulty date
- May 15, 2013
- Submitted
- June 4, 2013
- Operation
- Air carrier
- Aircraft
- N936UW
- Make and model
- Boeing 7572B7
- Aircraft serial
- 27244
- Aircraft time
- 61,991 hours, 24,583 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- Part number
- 143N55222
- 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.