# SDR CKSA98577

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N712CK](https://openairdocs.org/aircraft/N712CK), registered now
- Make and model: Boeing 747-2B4B
- Registry model: [Boeing 747-2B4B](https://openairdocs.org/model/boeing-747-2b4b) (OpenAirDocs)
- Aircraft serial: 21098
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Part number: 65B041339
- Condition: Corroded
- Location: Bs 1508
- 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/CKSA98577

## Discrepancy

STRINGER NR 65B04133-9 LOCATED AT LOWER CARGO AREA ZONE 100, STA 1660, STRINGER 47L HAD AREA 6 SQUARE OF CORROSION.  REPAIRED IAW SRM 51-10-01, CKF-AMD-147, CKF-AMD-150 SUPP SHEETS 1, 1A, 2, 3, CKF-AMD-152.  FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB).  WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-125-01-02.

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