What was found
MAIN CABIN, AT THE R1 DOOR CREASE BEAM THE CUSP WEB HAD CORROSION ON THE FWD AND AFT SIDES. BS 294 - 338. ACFT GROUNDED. REMOVED AND REPLACED IAW DWG 141A8310, REV B, AND SRM 51-40-02.
- Difficulty date
- April 6, 2018
- Submitted
- April 30, 2018
- Operation
- Air carrier
- Aircraft
- N559AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35178
- Aircraft time
- 42,977 hours, 12,800 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Cusp Web
- Part number
- 141A83154
- Condition
- Corroded
- Location
- Bs 294-338
- 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.