# SDR CKSA98647

- 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: 65B3808744
- Condition: Corroded
- Location: Bs 1740
- 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/CKSA98647

## Discrepancy

TOP SURFACE OF FLOORBEAM UPPER CAP AT STA 1740, WL 200, LBL 8 TO LBL 38 HAS 4 AREAS 1-2 DIAMETER WITH EXFOLIATED LEVEL 2 CORROSION.  REPAIRED IAW DWG 65B38087 SHT 4.  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 C53-210-01, CPCP TASK CARD NR C53-210-01-04.

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