# SDR CALA2025021900383

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 18, 2025
- Submitted: February 19, 2025
- Operation: Air carrier
- Aircraft: [N75429](https://openairdocs.org/aircraft/N75429), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 30130
- Aircraft time: 51,084 hours, 18,193 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Part number: 143A8122
- 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/CALA2025021900383

## Discrepancy

AFTER FURTHER EVALUATION FOUND FWD CARGO LOWER MAIN SILL WEB BTW STA 440 TO 492 OUT OF LIMITS - REQUIRE REPLACEMENT  ( REF AAR N R 1000033059).

---
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.
