What was found
***CORROSION*** ON SUBTHRESHOLD WEB AT FWD CARGO BAY BS440 - BS493 RBL27 WL157. / REMOVED AND REPLACED THRESHOLD WEB AT FCB BS440 TO BS500 RBL27 IAW SRM 51-40-02 AND DWG 143A8330 57049U 15JUL20
- Difficulty date
- July 9, 2020
- Submitted
- July 29, 2021
- Operation
- Air carrier
- Aircraft
- N488WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 33853
- Aircraft time
- 54,363 hours, 32,167 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Web
- Condition
- Corroded
- Location
- Bs 440-493
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.