What was found
C4 CHECK, LEVEL 2 INTERGRANULAR CORROSION ON FLOOR SUPPORT, INTERCOSTAL, BETWEEN BS720 TO BS740, LBL62. REPLACED FLOOR SUPPORT, INTERCOSTAL, BETWEEN BS720 TO BS740, LBL62 IAW SRM 51-10-02, 53-00-04-1A & 51-40-02.
- Difficulty date
- May 14, 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
- Intercostal
- Part number
- 143N54101
- 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.