Incident · 1998-03-10

What the record says

Event date

1998-03-10

Event type

Incident

Highest injury level

No injuries

Aircraft

Aerospatiale ATR-42-300 (N275BC)

Operating rule

Part 121

Operator

FLAGSHIP AIRLINES, INC. Operator named in NTSB report

Operated by (per NTSB report)

FLAGSHIP AIRLINES

Probable cause

The failure of the No. 1 generator field excitation return wire terminal lug due to improper installation of the field excitation return wire by maintenance personnel; the subsequent failure of the No. 2 generator due to overvoltage, caused by the momentary closure of the No. 1 generator contactor, as a result of the flight crew's attempt to reset the No. 1 generator, while an overvoltage condition existed at its POR, due to the shorted failure of the No. 1 GCU diode CR17; and the rapid failure of the aircraft's main battery, accelerated by its existing depleted condition, following an extended period of inadequate charging, due to a damaged electrical system.

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.