What was found
CORROSION ON THE THRESHOLD WEB BETWEEN BS 807 - 827. ACFT GROUNDED. REMOVED THE CORROSION AND FOUND TO BE OUT OF LIMITS IAW SRM 53-60-15. REMOVED AND REPLACED THE THRESHOLD WEB IAW DWG 146A8123, REV-.
- Difficulty date
- May 9, 2018
- Submitted
- May 18, 2018
- Operation
- Air carrier
- Aircraft
- N407AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41731
- Aircraft time
- 21,831 hours, 7,088 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Web
- Part number
- 146A812325
- Condition
- Corroded
- Location
- Bs 807-827
- 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.