What was found
MULTIPLE SPOTS WITH CORROSION ON FCB DOOR CUTOUT SURROUND THRESHOLD BS440+7 TO BS480+4 RBL29;WL156. REMOVED AND REPLACED FCB SUBTHRESHOLD WEB BETWEEN BS 440 TO BS 492 RBL 29 WL 156 IAW SRM 51-40-02 AND DWG 143A8330 ID: 0030 REV: -.
- Difficulty date
- August 9, 2025
- Submitted
- September 8, 2025
- Operation
- Air carrier
- Aircraft
- N906WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 36887
- Aircraft time
- 57,218 hours, 33,367 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Threshold 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.