What was found
CORROSION UPPER MAIN SILL LOCATED BETWEEN BS 794.3 - 847, S18R, WL 200 IN THE CARGO BAY. REPLACED UPPER MAIN SILL IAW SRM 51-40-02-0G-0, DWG 146A8110, SHEET 25, REV A, & DWG 146A8111, SHEET 16, REV -.
- Difficulty date
- November 8, 2025
- Submitted
- December 15, 2025
- Operation
- Air carrier
- Aircraft
- N917WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 36624
- Aircraft time
- 57,012 hours, 34,522 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Support
- 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.