# SDR CKSA98018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 18, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N720CK](https://openairdocs.org/aircraft/N720CK), registered now
- Make and model: Boeing 727223
- Aircraft serial: 19487
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Cracked
- Location: Bs 686
- 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/CKSA98018

## Discrepancy

DURING ACCOMPLISHMENT OF AD 94-07-08 S/B 727-57-127 FOUND CRACK LT WING UPPER AFT STRINGER STA686 (INTERNAL).  INSTALLED REPAIR IAW B727 SB 727-57-A159.  NON-ROUTINE TASK CARD NUMBER 17132.

---
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.