# NHTSA Recall 21V532000 — Completion Reports
> **Excessive Ammonia in Tailpipe Exhaust** · New Flyer of America, Inc. · Recalled 2021-07-23
## Latest status
- **Affected units:** 28
- **Remedied:** 28 (100%)
- **Unreachable owners:** 0
- **Removed from recall:** 0
- **Latest report:** 2023-01-25 (2022-4)
- **Quarters reported:** 6
## Quarterly progress
| Period | Affected | Remedied | Unreachable | Removed | Completion % | Reported |
|--------|----------|----------|-------------|---------|--------------|----------|
| 2021-3 | 28 | 16 | 0 | 0 | 57.14% | 2021-10-28 |
| 2021-4 | 28 | 16 | 0 | 0 | 57.14% | 2022-01-27 |
| 2022-1 | 28 | 16 | 0 | 0 | 57.14% | 2022-04-29 |
| 2022-2 | 28 | 21 | 0 | 0 | 75% | 2022-07-29 |
| 2022-3 | 28 | 28 | 0 | 0 | 100% | 2022-10-25 |
| 2022-4 | 28 | 28 | 0 | 0 | 100% | 2023-01-25 |
## Source
- [NHTSA recall page](https://www.nhtsa.gov/recalls?nhtsaId=21V532000)
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