# NTSB DEN83IA083: Boeing 737-200, N7358F, Denver, CO, March 21, 1983

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Incident investigation · Final report
- Date: March 21, 1983, 16:04 local (23:04 UTC)
- Place: Denver, CO
- Coordinates: 39.760658, -104.920043 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=39.7607&lon=-104.9200&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 82 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 16027
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN83IA083
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16027/pdf
- Page: https://openairdocs.org/ntsb/DEN83IA083

## Analysis

DURING TAKEOFF THE INBOARD LEFT MAIN LANDING GEAR TIRE & WHEEL DEPARTED THE ACFT. THE FLIGHT RETURNED AND LANDED WITHOUTFURTHER INCIDENT. EXAMINATION OF THE WHEEL RIM REVEALED MULTIPLE FATIGUE CRACKS IN THE RIM.

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Other gear collapsed, takeoff - initial climb
  - landing gear,wheel - cracked (cause)
  - landing gear,wheel - fatigue (cause)
  - landing gear,wheel - loss,total (cause)
  - landing gear,tire - failure,total (cause)

## Aircraft

- Registration: [N7358F](https://openairdocs.org/deregistered/N7358F-1994-08-23), registration cancelled 1994-08-23, S/N 22744 (OpenAirDocs)
- Reported make and model: BOEING 737-200
- Registry model: [Boeing 737-291](https://openairdocs.org/model/boeing-737-291) (registry code 138448W) (OpenAirDocs)
- Category: Airplane
- Serial number: 22744
- Engines: P&W JT-8D-17 16000 lbs thrust turbo jet
- Damage: Minor damage
- Flight: Part 121
- Registered owner: Frontier Airlines, Inc.
- Airworthiness certificate: Standard, Transport
- Destination: ATL, ATLANTA, GA
- Flight plan: IFR
- Airport: DEN, Stapleton Int'L, runway 17R, 12,000 × 200 ft, concrete

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; airline transport; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, unknown; seat: left

## Weather

- Conditions: Visual (VMC), Day
- Wind: 120° at 8 knots
- Visibility: 20 statute miles
- Lowest ceiling: 25,000 ft overcast
- Temperature: 34 °F, dew point 14 °F
- Altimeter: 29.00 inHg
- Observed at: DEN

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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