Skip to content

NYC91IA137

1991-06-06 · BOSTON, Massachusetts, United States · None · 1 aircraft · Status: Completed

Airport BOS

Aircraft involved

Probable cause & findings

THE FAILURE OF THE THIRD STAGE TURBINE BLADE ON THE NUMBER TWO ENGINE, DUE TO HIGH CYCLE FATIGUE.

Factual narrative

JUST AFTER TAKEOFF, THE PILOT SAID, 'A LOUD NOISE WAS HEARD ACCOMPANIED BY HIGH EGT ON THE NUMBER 2 ENGINE.' THE CREW SHUT DOWN THE ENGINE AND LANDED WITHOUT INCIDENT. AN EXAMINATION OF THE ENGINE REVEALED AN UNCONTAINED ENGINE FAILURE. DAMAGE TO THE AIRPLANE WAS MINOR. A THIRD STAGE TURBINE BLADE FAILED DUE TO HIGH CYCLE FATIGUE ON THE LEADING EDGE OF THE BLADE. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1991_NYC91IA137.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

Related research

Matched on aircraft type or causal vocabulary (engine failure). All research papers