- Difficulty date
- January 31, 2011
- Submitted
- February 1, 2011
- Operation
- Air carrier
- Aircraft
- N667DN
- Make and model
- Boeing 757232
- Aircraft serial
- 25035
- Aircraft time
- 65,279 hours, 30,395 cycles
- Part
- Floorbeam
- Condition
- Corroded
- Location
- Bs 720
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN FLOORBEAM UPPER CHORD SKIN AT STA 720, BL 0-RBL 64. HAVE SURFACE CORROSION UNDER NUT CLIPS. C/A-BLENDED OUT CORROSION DIMENSION L=1", W=1", D-.024. FOUND TO BE OUT OF LIMITS IAW SRM 53-00-51. CUT UPPER FLANGE IAW 53-00-51. FABRICATED UPPER CHORD REPAIR IAW SRM 53-00-51. INSTALLED UPPER CHORD REPAIR IAW SRM 53-00-51. LEVEL 2 CORROSION. MAJOR REPAIR. ETOPS CATEGORY 'A': ANY IN-FLIGHT SHUTDOWN.