# SDR DL73K001731

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 8, 2000
- Submitted: September 14, 2000
- Operation: Air carrier
- Aircraft: N309DL
- Make and model: Boeing 737232
- Aircraft serial: 23081
- Aircraft time: 47,826 hours, 38,008 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Part number: 65465318
- Condition: Corroded
- Location: Fuselage
- 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/DL73K001731

## Discrepancy

THE FS 400 FRAME WAS FOUND CORRODED ABOVE STR 26R, 3.5 INCHES BELOW THE EXISTING FACTORY SPLICE.  THE CORROSION WAS FOUND IN THE TOP OF THE INBOARD FLANGE.  THE DAMAGE CUTOUT EXTENDED INTO THE VERTICAL WEB OF THE FRAME.  THE DAMAGE WAS REPAIRED PER ERA 334912-14 BY REMAKING THE FACTORY SPLICE TO EXTEND BEYOND THE DAMAGE.  THE DAMAGE WAS FOUND DURING HMV.

---
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.