What was found
CORROSION FOUND UNDER FLOOR CUSB WEB BS 604 - 618. REMOVED THE CORROSION IAW SRM AND FOUND TO BE OUT OF LIMITS. FABRICATED A REPAIR AND INSTALLED IAW DWG.
- Difficulty date
- December 28, 2016
- Submitted
- January 6, 2017
- Operation
- Air carrier
- Aircraft
- N721TW
- Make and model
- Boeing 757231
- Aircraft serial
- 29954
- Aircraft time
- 63,097 hours, 17,382 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Cusp Web
- Condition
- Corroded
- Location
- Bs 604-618
- 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.