What was found
CORROSION ON THE LOWER FRAME WEB AT BS 1420 AT THE SHEAR TIE BETWEEN STRINGERS 29R AND 30R. ER/A 561945-14 AUTHORIZES MTC BLEND OUT AND CUTOUT THE DAMAGE AND ACCOMPLISH A REINFORCING REPAIR.
- Difficulty date
- September 22, 2017
- Submitted
- September 28, 2017
- Operation
- Air carrier
- Aircraft
- N586NW
- Make and model
- Boeing 757351
- Aircraft serial
- 32987
- Aircraft time
- 53,122 hours, 17,683 cycles
- System (JASC)
- 5322 · Fuselage Internal Mounting Structure
- Part
- Shear Tie
- Condition
- Corroded
- Location
- Bs 1420
- 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.