# NTSB Accident NYC79AA106
> **MCDONNELL DOUGLAS DC9** · 1979-09-17 · Boston, MA, USA · MINR
## Event
- **NTSB number:** NYC79AA106
- **Event ID:** 20170710X52551
- **Type:** Accident
- **Date:** 1979-09-17
- **Location:** Boston, MA, USA
- **Coordinates:** 42.445278, -70.758331
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 44
- **Total aboard:** 45
## Aircraft
- **Make:** MCDONNELL DOUGLAS
- **Model:** DC9
- **Registration:** CF-TLU
- **FAR Part:** 129
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

a fatigue fracture of the aft cabin pressure bulkhead which resulted in a rapid decompression of the aircraft's cabin area. This fracture initiated from a crack below the aft bulkhead access door which was discernible on the X-rays taken during the aircraft's last maintenance inspection but was not detected by the inspectors.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=NYC79AA106) · AI Analytics · CC0 1.0*