# NTSB Accident LAX99LA212
> **Boeing 747-422** · 1999-06-09 · PACIFIC OCEAN, PO · SERS
## Event
- **NTSB number:** LAX99LA212
- **Event ID:** 20001212X19027
- **Type:** Accident
- **Date:** 1999-06-09
- **Location:** PACIFIC OCEAN, PO
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 325
- **Total aboard:** 326
## Aircraft
- **Make:** Boeing
- **Model:** 747-422
- **Registration:** N198UA
- **FAR Part:** 121
- **Engines:** 4
- **Damage:** —
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

intentional tampering/altering of a galley lift interlock microswitch by unknown persons.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX99LA212) · AI Analytics · CC0 1.0*