# SDR CALA2026021313748

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 15, 2026
- Submitted: February 13, 2026
- Operation: Air carrier
- Aircraft: [N14731](https://openairdocs.org/aircraft/N14731), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28799
- Aircraft time: 81,665 hours, 30,075 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/CALA2026021313748

## Discrepancy

FOUND EXCESSIVE CORROSION ON THE FWD CARGO MAIN SILL WEB, BTW BS 440 &  492.  REMOVED, LOCATED, DRILLED, COUNTERSINK, & INSTALLED A NEW FWD CARGO SILL WEB IAW DWG 143A8330, REV M, SRM 51-40-05-0G-0, SRM 51-40-08-0G-0, SRM 51-40-02-0G-0, & SRM 51-40-02-0G-0.

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