- Difficulty date
- March 11, 2026
- Submitted
- April 9, 2026
- Operation
- Air carrier
- Make and model
- Boeing 7378H4
- Aircraft serial
- 42385
- Aircraft time
- 39,753 hours, 19,327 cycles
- Part
- Web
- Condition
- Corroded
- Location
- Zn 100
- 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.
What was found
ACB; SUBTHRESHOLD BS 792-847 RBL 27 HAS SEVERAL SPOTS OF CORROSION (MARKED).<[01] REMOVED AND REPLACED ACB SUBTHRESHOLD WEB BS792-847 RBL25 TO RBL33 IAW B737-800 SRM 51-40-02-0G DWG: 146A8340 ID: 0009 REV: A.;[02] VERIFIED CORRECTIVE ACTION 1