# SDR CKSA98658

- 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): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Part number: 65B0415430
- Condition: Corroded
- Location: Bs 2064
- 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/CKSA98658

## Discrepancy

UPPER FLANGE OF STRINGER LOCATED ZONE 100 STA 2064 STR 28R WL 185 HAS .5 AREA OF SEVERE CORROSION.  REMOVED CORROSION IAW SRM 51-10-01, TREATED PER SRM 51-10-02 AND DWG 65B04154.  REPAIRED IAW ASA CKF-AMD-088.  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 CKF-AMD-037, CPCP TASK CARD NR C53-110-01-03.

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