Accident · 1999-06-09
What the record says
- Event date
- 1999-06-09
- Event type
- Accident
- Highest injury level
- Serious injury
- Aircraft
- Boeing 747-422 (N198UA)
- Operating rule
- Part 121
- Operator
- UNITED AIRLINES, INC. Operator named in NTSB report
- Operated by (per NTSB report)
- UNITED AIRLINES
Probable cause
intentional tampering/altering of a galley lift interlock microswitch by unknown persons.
Source: NTSB case LAX99LA212Flight crew
Flight-crew details for this event aren't in the NTSB database extract we hold (its coverage starts with 2008 events) — a gap in our data, not an absence of crew.
Facts as the NTSB records them — GroundCheck adds no judgement. Preliminary records may be revised as the investigation proceeds.