# NHTSA Preliminary Evaluation PE93023
> **HANDRAILS** · Opened 1993-04-06 · Closed 1993-10-26
## Investigation
- **Action number:** PE93023
- **Type:** Preliminary Evaluation
- **Open date:** 1993-04-06
- **Close date:** 1993-10-26
- **Manufacturer:** COLLIER-KEYWORTH
- **Affected makes:** COLLINS; COLLINS BUS CORP.
- **Affected components:** VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
- **Affected model years:** 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993
- **Affected (make, year) variants:** 10
## Summary

There is no summary currently available

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=PE93023)
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