# SDR CALA2023111503396

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 25, 2023
- Submitted: November 15, 2023
- Operation: Air carrier
- Aircraft: [N16713](https://openairdocs.org/aircraft/N16713), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28784
- Aircraft time: 74,420 hours, 26,335 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 147A5660Y21
- Condition: Corroded
- Location: Staf958, Lbl50
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023111503396

## Discrepancy

(B737-06-3-0049) CORROSION ON MAIN CABIN FLOOR STRUCTURE AT STA 958 LBL 50 REMOVED AND INSTALLED NEW INTERCOSTAL P/N:147A5660Y21 ON MAIN CA BIN FLOOR SUPPORT STA 947 LBL 50 IAW B737 SRM 51-40-02-0G-0 PARA 7.A (1)

---
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.