# SDR CKSA97020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N704CK
- Make and model: Boeing 747146
- Aircraft serial: 20528
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Corroded
- Location: Bs 2320
- 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/CKSA97020

## Discrepancy

DURING WALKAROUND INSPECTION, FOUND LEVEL 2 CORROSION, CORROSION BULGE AND CRACK LOWER BELLY STA 2320 STRINGER NBR 47. CUTOUT CORRODED AND CRACKED AREA AND REPAIRED IAW B747 SRM 53-30-03 FIGURE 1.  NON-ROUTINE TASK CARD NR 94085.

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