# SDR CALA2026061917184

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 17, 2026
- Submitted: June 19, 2026
- Operation: Air carrier
- Aircraft: [N37413](https://openairdocs.org/aircraft/N37413), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 31664
- Aircraft time: 53,774 hours, 19,390 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Part number: 143A812210
- Condition: Corroded
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026061917184

## Discrepancy

CORROSION: AFTER REMOVAL OF FWD CARGO DOOR CUTOUT PLATE ASSY FOUND WEB WITH UPPER SURFACE CORROSION IN SEVERAL AREA REF AAR N/R 100035713.  REMOVED AND REPLACED FWD CARGO SILL WEB FROM APPROX BS 440 - 492.4, RBL 30 IAW SRM 51-40-02-0G-0 DWG 143A8120.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.