What was found
CORROSION ON ACB LOWER SILL WEB BETWEEN BS 847 - 856, RBL 22, WL 156. REMOVED AND REPLACED THE SILL WEB IAW SRM 51-40-02, AND DWG 146A8120, REV-, & APPLIED CAP SEAL TO THE FASTENERS IAW AMM 51-31-00.
- Difficulty date
- March 9, 2026
- Submitted
- March 30, 2026
- Operation
- Air carrier
- Aircraft
- N249WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 34951
- Aircraft time
- 64,100 hours, 38,781 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Web
- 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.