What was found
CORROSION ON FSD MOP SILL BS309 - BS331 RBL57 WL208. MARKED <[01]. REMOVED AND REPLACED ON FSD MOPSILL BETWEEN BS259 TO BS360 RBL57 IAW SRM 51-40-02 AND DWG 141A8310 ID:0025 REV:B; [02] CORRECTIVE ACTION COMPLETED.
- Difficulty date
- February 5, 2025
- Submitted
- March 10, 2025
- Operation
- Air carrier
- Aircraft
- N7748A
- Make and model
- Boeing 7377BD
- Aircraft serial
- 36399
- Aircraft time
- 55,569 hours, 28,876 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Sill Drain
- Condition
- Corroded
- Location
- Zone 200
- 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.