What was found
CORROSION ON FCB INTERCOSTAL BS 500 TO BS 500A, LBL 25, WL161. REMOVED AND REPLACED INTERCOSTAL FROM BS 500 TO BS 500A, LBL 25 IAW SRM 51-40-02, AND DWG 143A7505 REV -.
- Difficulty date
- August 23, 2025
- Submitted
- September 15, 2025
- Operation
- Air carrier
- Aircraft
- N904WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 36616
- Aircraft time
- 57,229 hours, 34,462 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- Condition
- Corroded
- Location
- Zone 100
- 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.