Incident · 1989-03-14

NTSB case FTW89IA067 · BOEING 727-232 · Part 121

What the record says

Event date: 1989-03-14
Event type: Incident
Highest injury level: Minor injury
Aircraft: BOEING 727-232 (N511DA)
Operating rule: Part 121
Operator: operator not named in the NTSB record

Probable cause

FALSE FIRE WARNING, WHICH RESULTED FROM (1) CONTAMINANTS ON HARDWARE AT ONE END OF THE FIRE DETECTION LOOP; AND (2) AN ELECTRICAL SHORT ON BOTH ELEMENTS OF THE LOOP.

Source: NTSB case FTW89IA067

Flight 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.

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