What was found
CORROSION ON INTERCOSTAL UPPER CHORD AREA BTW STA Y=1640 TO STA Y=1670 BL 0,PAX CABIN STRUCTURE (W4). CORRECTIVE ACTION: INTERCOSTAL ON STA 1660-1680 WAS REPLACED PER B757-200 SRM 51-40-02 PAR 4 AND 7.
- Difficulty date
- October 14, 2019
- Submitted
- October 17, 2019
- Operation
- Air carrier
- Aircraft
- N540US
- Make and model
- Boeing 757251
- Aircraft serial
- 26487
- Aircraft time
- 70,303 hours, 26,887 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- Condition
- Corroded
- Location
- Bs 1640-1670
- 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.