# NHTSA Engineering Analysis EA77020
> **121 BRAKES** · Opened 1977-02-25 · Closed 1981-05-04
## Investigation
- **Action number:** EA77020
- **Type:** Engineering Analysis
- **Open date:** 1977-02-25
- **Close date:** 1981-05-04
- **Manufacturer:** —
- **Affected makes:** —
- **Affected components:** —
- **Affected model years:** —
- **Affected (make, year) variants:** 1
## 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=EA77020)
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