# SDR HEEA968634

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N23023
- Make and model: Bell 412
- Registry model: [Bell 412](https://openairdocs.org/model/bell-412) (OpenAirDocs)
- Aircraft serial: 33080
- System (JASC): [6220 · Main Rotor Head](https://openairdocs.org/jasc/6220)
- Part: Bolt
- Part number: 412010124109
- Condition: Defective
- Location: M/R
- Part time: 2,585 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/HEEA968634

## Discrepancy

TUNGSTON COATING FLAKED OFF.  SERIAL NUMBERS REMOVED ARE A369, A863, A715, AND A27.  SEE MMIR# HEEA0008633 FOR ADDITIONAL RETENTION BOLTS REPLACED.

---
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.