What was found
CORROSION WEB LOWER SILL LOCATED BETWEEN BS 440 TO BS 492.4, RBL 22, WL156 FWD CARGO BAY. REPLACED THE WEB LOWER SILL LOCATED BETWEEN BS 440 - 492.4, RBL 22, WL156 IAW SRM 51-10-02, ITEM 9 AND DWG 143A8330, SHEET 42, REV A.
- Difficulty date
- November 11, 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
- Web
- Condition
- Corroded
- Location
- Zn 100 Fus Lower
- 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.