What was found
INSPECTION TYPE:4C, MAIN CABIN U-CHANNEL SUPPORT (INTERCOSTAL) CORRODED IN FWD RADIUS AT STA 1531/5-11 L11L. REMOVED FABRICATED AND INSTALLED REPLACEMENT INTERCOSTAL REF DWG A5A7073 AND SRM 51-31-01.
- Difficulty date
- September 30, 2011
- Submitted
- October 19, 2011
- Operation
- Air carrier
- Aircraft
- N258UP
- Make and model
- Doug MD11F
- Aircraft serial
- 48416
- Aircraft time
- 64,313 hours, 11,801 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- Part number
- A5A70735
- Condition
- Corroded
- Location
- Bs 1531 L11r
- 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.