# SDR CALA2026052116434

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 19, 2026
- Submitted: May 22, 2026
- Operation: Air carrier
- Aircraft: [N45440](https://openairdocs.org/aircraft/N45440), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 33535
- Aircraft time: 52,790 hours, 18,878 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Shield
- 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/CALA2026052116434

## Discrepancy

FWD CARGO DOOR CUTOUT AFT OF DOOR TRANSITION STRIP HAS SEVEREAL AREAS OF CORROSION.   REMOVED CORROSION FROM FWD CARGO AFT SHIELD, ORIGINAL MATERIAL 0.032, MAT REMOVED 0.020, REMAINING THICKNESS IN BLENDED AREA MEASURED .012, FOUND OUT OF LIMITS IAW SRM 53-00-53. REMOVED AND REPLACED WITH NEW SHIELD IAW SRM 51-40-02 AND BAC DWG 143A0080 REV-.

---
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.
