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Atlas / NTSB / CHI84IA155

NTSB CAROL · Event

Event CHI84IA155

1984-04-16 MILWAUKEE, Wisconsin, United States Airport · MKE None 1 aircraft Status: Completed

Registry · N163MA

FAA Aircraft Registry record.

Make / Model

AVIAT AIRCRAFT INC A-1B

Year of manufacture

2005

Engine

LYCOMING O-360 SERIES (180 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

20050518

ADS-B equipped

Yes — Mode-S A0FDE7

Registrant of record

BLUE DAWG LLC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Factual narrative

A GEAR UP LANDING WAS PERFORMED AFTER THE CREW WAS UNABLE TO EXTEND THE RGT MAIN GEAR THRU NORMAL & EMERG PROCEDURES. AN EXAM OF THE ACFT DISCLOSED THE RGT MAIN GEAR DOOR AFT HINGE BOLT WAS SLIGHTLY BENT & DIFFICULT TO ROTATE IN ITS BUSHING. THE BUSHING & BOLT WERE DRY & HAD NOT BEEN LUBRICATED RECENTLY. THE HYDRAULIC CYLINDER WAS NOT CAPABLE OF SUPPLYING ENOUGH PRESSURE TO OVERCOME THE BINDING DOOR. THE BUSHING HAD NOT RECENTLY BEEN INSPECTED OR LUBRICATED BY MAINTENANCE PERSONNEL BECAUSE OF ITS LOCATION BEING DIFFICULT TO ACCESS. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1984_CHI84IA155.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

Related research

What the literature says.

Academic papers and agency reports matching this event's aircraft type or causal vocabulary (maintenance). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.

Browse the full corpus — academia portal ↗