# SDR CALA2024100302544

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 1, 2024
- Submitted: October 3, 2024
- Operation: Air carrier
- Aircraft: [N28457](https://openairdocs.org/aircraft/N28457), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 41744
- Aircraft time: 38,007 hours, 13,746 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 146A323159
- Condition: Corroded
- Location: Zone 100
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2024100302544

## Discrepancy

FOUND CORROSION ON OUTER SKIN LOWER SIDE LOCATED UNDER LAV SERVICE PANEL. BETWEEN STA 884 AND STA 867 AND STR 23L AND 26L. PART 2 OF EC/RA 5331-03125 ON OR BEFORE 24 MARCH 2026. ?ON THE FUSELAGE SKIN BETWEEN BS 847-867 AT S-25 COMMON TO LAVATORY SERVICE PAN, ACCOMPLISH INSPECTION REQUIREMENTS PER DIP 53.

---
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.
