# NTSB Accident CHI96LA011
> **McDonnell Douglas DC-9-31** · 1995-10-14 · CEDAR RAPIDS, IA, USA · NONE
## Event
- **NTSB number:** CHI96LA011
- **Event ID:** 20001207X04665
- **Type:** Accident
- **Date:** 1995-10-14
- **Location:** CEDAR RAPIDS, IA, USA
- **Coordinates:** 41.920902, -91.699768
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** McDonnell Douglas
- **Model:** DC-9-31
- **Registration:** N945AX
- **FAR Part:** 121
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** NDRK
- **Weather:** VMC
## Probable cause

inadequate installation of a thrust reverser, driver linkage arm pivot bolt and nut, which resulted in the nut and bolt becoming disconnected.  A factor relating to the accident was: the manufacturer's unclear information regarding the type and number of washers to be installed on the pivot bolt assembly.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI96LA011) · AI Analytics · CC0 1.0*