Incident · 2009-09-07

NTSB case ENG09IA016 · BOEING 767 432ER · Part 121

What the record says

Event date: 2009-09-07
Event type: Incident
Highest injury level: No injuries
Aircraft: BOEING 767 432ER (N840MH)
Operating rule: Part 121
Operator: DELTA AIR LINES, INC. Operator named in NTSB report
Operated by (per NTSB report): DELTA AIR LINES INC

Probable cause

Incorrect installation of a wire bundle, which contained wires for oxygen system, passenger address system and lavatory power, led to chafing of the wires on structure. The chafing eventually exposed the wire conductors and resulted in electrical arcing, malfunction of the affected systems and a sulfur odor.

Source: NTSB case ENG09IA016

Flight crew

No flight-crew details recorded in the NTSB accident database for this event.

Facts as the NTSB records them — GroundCheck adds no judgement. Preliminary records may be revised as the investigation proceeds.

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