# SDR CALA2025120311713

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 5, 2025
- Submitted: December 3, 2025
- Operation: Air carrier
- Aircraft: [N16732](https://openairdocs.org/aircraft/N16732), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28948
- Aircraft time: 80,476 hours, 29,957 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Structure
- Part number: 147A85407
- Condition: Corroded
- Location: Zone 200
- 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/CALA2025120311713

## Discrepancy

AFT WET AREA INNER CHORD (L2 DOOR) FROM STA 947 TO STA 986 MULTIPLE SPOTS OF EXFOLIATED CORROSION.   REMOVED AND REPLACED AFT WET AREA L2 DOOR LOWER SILL INNER CHORD IAW SRM 51-40-02-0G-0 AND DRAWING 147A8540 SHEET 67.

---
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.
