# NTSB Incident ANC05IA064
> **McDonnell Douglas MD-11** · 2005-04-28 · Anchorage, AK, USA · NONE
## Event
- **NTSB number:** ANC05IA064
- **Event ID:** 20050518X00630
- **Type:** Incident
- **Date:** 2005-04-28
- **Location:** Anchorage, AK, USA
- **Coordinates:** 61.174446, -149.996383
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 201
- **Total aboard:** 201
## Aircraft
- **Make:** McDonnell Douglas
- **Model:** MD-11
- **Registration:** N277WA
- **FAR Part:** 121
- **Engines:** 3
- **Damage:** MINR
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The inadequate installation of the cockpit security door locking device, which resulted in smoke in the cockpit during normal cruise, and a precautionary landing.  A factor associated with the incident was the manufacturer's insufficiently defined installation instructions.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ANC05IA064) · AI Analytics · CC0 1.0*