# SDR CKSA98661

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 20, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N713CK](https://openairdocs.org/aircraft/N713CK), registered now
- Make and model: Boeing 747-2B4B
- Registry model: [Boeing 747-2B4B](https://openairdocs.org/model/boeing-747-2b4b) (OpenAirDocs)
- Aircraft serial: 21099
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 65B061617
- Condition: Corroded
- Location: Bs 2349
- 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/CKSA98661

## Discrepancy

FLOORBEAM UPPER CAP AT ZONE 200, STA 2349 WL 199 LBL 32 HAS AREA 1 X 1 OF SEVERE CORROSION.  DEPTH OF CORROSION EXCEEDS 20 PERCENT OF MATERIAL.  REMOVED AND REPLACED THE 65B06161-7 UPPER CAP IAW BOEING DWG 65B06161 SHTS PL & 2.  FOUND DURING ACCOMPLISHMENT OF CARGO CONVERSION, ROUTINE C-CHECK, AND ACCOMPLISHMENT OF CPCP TASK CARDS AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, TASK CARD NR 65B16282-501-IO1, CPCP TASK CARD NR C53-210-01-04.

---
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.