# NTSB Incident CHI97IA205
> **Boeing B-727-200** · 1997-07-09 · INDIANAPOLIS, IN, USA · NONE
## Event
- **NTSB number:** CHI97IA205
- **Event ID:** 20001208X08312
- **Type:** Incident
- **Date:** 1997-07-09
- **Location:** INDIANAPOLIS, IN, USA
- **Coordinates:** 39.729999, -86.289459
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 11
- **Total aboard:** 11
## Aircraft
- **Make:** Boeing
- **Model:** B-727-200
- **Registration:** N770AT
- **FAR Part:** 121
- **Engines:** 3
- **Damage:** MINR
## Conditions
- **Light:** DAYL
- **Weather:** IMC
## Probable cause

the improper installation of the incorrect spherical bearing by the company's maintenance personnel.  A factor was the improper plating of the trunnion with chromium by the landing gear overhaul facility.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI97IA205) · AI Analytics · CC0 1.0*