# SDR SCNA99528

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 22, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N290SC](https://openairdocs.org/aircraft/N290SC), registered now
- Make and model: Boeing 727-2J4
- Registry model: [Boeing 727-2J4](https://openairdocs.org/model/boeing-727-2j4) (OpenAirDocs)
- Aircraft serial: 20764
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Bs 440
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SCNA99528

## Discrepancy

DURING A HEAVY MAINTENANCE CHECK, THE FLOORBEAM AT STA 440 RBL 15 HAS CORROSION AROUND NUT PLATE HOLE.  CORROSION WAS REMOVED AND FOUND OUT OF LIMITS PER SRM 53108.  REMOVED DAMAGED SECTION AND FABRICATED UPPER CHORD FLOORBEAM REPAIR AND SUPPORT ANGLES AND REINFORCEMENT STRAPS AND INSTALLED PER SRM 53108.

---
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.