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Atlas / NTSB / SEA84IA168

NTSB CAROL · Event

Event SEA84IA168

1984-07-09 PORTLAND, Oregon, United States None 1 aircraft Status: Completed

Registry · N9015U

FAA Aircraft Registry record.

Make / Model

MILLER GREGORY SCOTT GOT ROCKS

Year of manufacture

2008

Engine

LYCOMING O-360-C1A (180 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

20081105

ADS-B equipped

Yes — Mode-S AC75FD

Registrant of record

SWAN JOHN H

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Factual narrative

AFTER TAKEOFF, THE ACFT WAS CLIMBING THRU ABOUT 4000 FT WHEN THE APU FIRE WARNING LIGHT ILLUMINATED. THE FLT CREW DISCHARGED THE FIRE EXTINGUISHING UNITS & REQUESTED AN EMERGENCY LANDING. A TEARDOWN OF THE APU REVEALED EVIDENCE THAT A HARD OBJECT WAS INJESTED INTO THE 1ST STAGE COMPRESSOR IMPELLER, BENDING 2 OF THE BLADES. THE OBJECT CONTINUED THRU THE ENG & IMPACTED THE EXDUCER BLADE. THE BLADE FAILED AT A CRACK & PENETRATED THE EXHAUST PIPE ASSEMBLY. HOT GASES THEN VENTED INTO THE COOLING AIR PASSAGE & OVERHEATED THE TAIL CONE & AFT PORTION OF THE APU. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1984_SEA84IA168.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.