# SDR UIEA200400011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 2004
- Submitted: March 31, 2004
- Operation: Air carrier
- Aircraft: [N517MC](https://openairdocs.org/aircraft/N517MC), registered now
- Make and model: Boeing 747243B
- Aircraft serial: 23300
- System (JASC): [5754 · Leading Edge Devices](https://openairdocs.org/jasc/5754)
- Part: Stiffener
- Condition: Cracked
- Location: Krueger Flap
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA200400011

## Discrepancy

DURING D-CHECK AT SIN, FOUND NR 16 KRUEGER FLAP INBOARD STIFFENER CRACKED.  TRIMMED OUT CRACKED SEGMENT OF STRINGER FLANGE TO REMOVE DAMAGE.  NDT INSPECT STRINGER TO INSURE CRACK AND DEFECT FREE CONDITION.  INSTALLED ALUMINUM REPAIR ANGLE AND ALUMINUM FILLER TO COMPENSATE FOR MATERIAL REMOVED.  REFINISHED TRACK TO DESIGN CONDITION.  (M)

---
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.