Incident · 1991-01-20
What the record says
- Event date
- 1991-01-20
- Event type
- Incident
- Highest injury level
- No injuries
- Aircraft
- BOEING 727-251 (N295US)
- Operating rule
- Part 121
- Operator
- NORTHWEST AIRLINES INC Operator named in NTSB report
- Operated by (per NTSB report)
- NORTHWEST AIRLINES, INC.
Probable cause
THE PARTIAL FAILURE OF THE AIRPLANE'S AUXILIARY POWER UNIT, AND THE INADEQUATE COMPONENT PRODUCED BY THE MANUFACTURER.
Source: NTSB case CHI91IA078Flight 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.