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DCA86AA011

1985-12-15 · BOSTON, Massachusetts, United States · None · 1 aircraft · Status: Completed

Airport BOS

Aircraft involved

Factual narrative

APRX 16 FT OF THE LEFT INBOARD TRAILING EDGE FLAP SEPARATED WHILE THE ACFT WAS ON FINAL APCH TO LAND. THE APCH AND LANDING WERE COMPLETED WITHOUT FURTHER INCIDENT. INVESTIGATION REVEALED 5 OF THE 8 BOLTS WHICH HOLD THE NO. 3 FLAP TRACKFORWARD ATTACH FITTING TO THE WING SHOWED SIGNS OF FATIGUE AND THE 3 REMAINING BOLTS SHOWED OVERLOAD TYPE FAILURES. NO INSPECTION REQUIREMENTS FOR THE FORWARD ATTACHMENT BOLTS WERE REQUIRED BY BOEING AT THE TIME OF THE ACCIDENT. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1985_DCA86AA011.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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