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SEA88IA121

1988-06-30 · SEATTLE, Washington, United States · None · 1 aircraft · Status: Completed

Airport SEA

Aircraft involved

Factual narrative

CREW NOTED INFLIGHT INDICATIONS OF LOSS OF HYDRAULIC FLUID, THEN CARRIED OUT STANDARD PROCEDURES PER CREW MANUAL. EMERG HYD SYS USED TO LOWER FLAPS FOR LNDG. ACFT LANDED WITH FOUR RIGHT BRAKES LOCKED. THE TIRES BLEW AND THE WHEELS WERE GROUND FLAT. INVESTIGATION REVEALED A RUPTURED #3 HYDRAULIC PUMP PRESSURE LINE AND AN IMPROPERLY RIGGED EMERGENCY HYDRAULIC PUMP CONTROL ARM. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1988_SEA88IA121.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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