What was found
CORRODED LOWER SILL DRAIN, WL 156, BS 794 - 847, RBL 22, S25R IN THE AFT CARGO BAY. REPLACED THE LOWER SILL DRAIN IAW SRM 51-40-02, AND DWG 146A8340, SHEET 21, REV -.
- Difficulty date
- October 31, 2025
- Submitted
- December 4, 2025
- Operation
- Air carrier
- Aircraft
- N231WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 32499
- Aircraft time
- 65,270 hours, 39,217 cycles
- System (JASC)
- 5310 · Fuselage Main, Structure
- Part
- Sill Drain
- Condition
- Corroded
- Location
- Zone 100
- Stage of operation
- IN
- How discovered
- U
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.