# SDR CALA2025071406499

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2025
- Submitted: July 14, 2025
- Operation: Air carrier
- Aircraft: [N14228](https://openairdocs.org/aircraft/N14228), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28792
- Aircraft time: 79,575 hours, 29,931 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Part number: 146A812325
- 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/CALA2025071406499

## Discrepancy

AFTER FURTHER EVALUATION AT THE AFT CARGO DOOR SURROUND STRUCTUR E MAIN SILL WEB FOUND TO BE OUT OF LIMIT REQUIRE REPLACEMENT (RE F. AAR NR 1000042306) ALL DOCUMENTATION AND SUPPORTING DOCUMENTS ON RFD AAR N/R 1000042306.   REMOVED & REPLACED THE AFT CARGO LOW MAIN SILL WEB IAW SRM 51-40-02-0G-0 DWG 146A8340.  REF: AAR NR 1000042306 PER UAL REP OK TO CLEAR REMOVED AND REPLACED THE AFT CARGO LOWER MAIN SILL WEB IAW SRM 51-40-02-OG-0 DWG 146A8340.

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