# SDR 96ZZZX3226

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 11, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N84SF](https://openairdocs.org/aircraft/N84SF), registered now
- Make and model: Dhav DHC3
- Aircraft serial: 284
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Flange
- Condition: Cracked
- Location: Rib Attach
- Part time: 6,001 hours
- 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/96ZZZX3226

## Discrepancy

THE TAILPLANE STRUCTURE MAIN RIB FORWARD FLANGES AT THE TAILPLANE LOWER RIB ATTACHMENT FITTING FOUND CRACKED.  THE CRACKING IS FATIGUE RELATED.  SUBMITTER STATED TO CORRECT PROBLEM, INSTALL MOD. 3/935 IAW DHC-3 SB 3/50.  NOTE:  THE DYE PENETRANT METHOD PER SB 3/46 WOULD NOT DETECT CRACKING ON MAIN RIB DUE TO BEARING PLATES COVERING CRACKS.

---
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.