What was found
FCB, CORROSION AT THRESHOLD BS 440 - 480+12, RBL 25. REMOVED AND REPLACED SUB THRESHOLD WEB BS 440 - 492, WL156, RBL25 IAW SRM 51-40-02-0G-0, & DWG 143A8330, REV B.
- Difficulty date
- August 25, 2026
- Submitted
- September 23, 2026
- Operation
- Air carrier
- Aircraft
- N8643A
- Make and model
- Boeing 7378H4
- Aircraft serial
- 42524
- Aircraft time
- 39,924 hours, 19,432 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Web
- Part number
- 654A000358
- 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.