NYC88FA238

1988-09-21 · ALBANY, New York, United States · Serious · 1 aircraft · Status: Completed

Airport ALB

Aircraft involved

N170RA de Havilland DH-7-58C Serious

Factual narrative

THE ACFT EXPERIENCED AN UNCONTAINED DISINTEGRATION OF THE NO.2 ENGINE. SCORCHED ENGINE FRAGMENTS RIPPED THROUGH THE FUSELAGE INJURING TWO PASSENGERS, ONE SERIOUSLY. THE UNCONTAINED FAILURE WAS THE RESULT OF WEAR OR SPALLING OF THE 1ST STAGE REDUCTION GEAR AND THE SUN GEARS. PROGRESSIVE CONTAMINATION ALLOWED THE FAILURE TO PROGRESS TO THE ULTIMATE UNCONTAINED FAILURE. CONTRIBUTING TO THE ULTIMATE FAILURE WAS AN INOPERATIVE MAGNETIC CHIP DETECTOR PLUG, WHICH ALLOWED THE WEAR TO PROGRESS UNDETECTED. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1988_NYC88FA238.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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