# NTSB ANC83IA056: Cessna 172M, N786JH, Wasilla, AK, February 28, 1983

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Incident investigation · Final report
- Date: February 28, 1983, 16:30 local (20:30 UTC)
- Place: Wasilla, AK
- Location: 61.5785° N, 149.4763° W: Placed by OpenAirDocs: center of Wasilla, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=61.5785&lon=-149.4763&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4083
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC83IA056
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4083/pdf
- Page: https://openairdocs.org/ntsb/ANC83IA056

## Sequence of events

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

- Airframe/component/system failure/malfunction, climb - to cruise
  - flt control syst,wing flap control - worn (cause)
  - preflight planning/preparation - poor, pilot in command (contributing factor)
  - flt control syst,wing flap control - bent (cause)
  - maintenance,inspection - not performed, pilot in command (contributing factor)

## Analysis

ACFT EXPERIENCED FAILURE OF THE LEFT FLAP DURING CLIMBOUT DUE TO WORN PARTS WHICH WERE NOT OBSERVED ON THE PREFLIGHT INSPECTION.

## Aircraft

- Registration: [N786JH](https://openairdocs.org/aircraft/N786JH), registered now, S/N 17264014, built 1974 (OpenAirDocs)
- Reported make and model: CESSNA 172M
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (registry code 2072418) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 17264014
- Airframe hours: 2357
- Engines: LYCOMING O-320-E2D 150 horsepower reciprocating
- Damage: Minor damage
- Flight: Personal, Part 91
- Registered owner: Carol J. Douthit
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, May 21, 1982
- Departed: Z16, WASILLA, AK
- Destination: MRI, ANCHORAGE, AK

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 38; private; airplane ratings: single-engine sea, single-engine land; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 880 total, 230 in this make and model, 800 as pilot in command, 10 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 60 statute miles
- Lowest ceiling: none
- Temperature: 25 °F

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Incident 19830228060949I](https://openairdocs.org/incident/19830228060949I), Feb 28, 1983: Cessna 172M, Wasilla, AK, Minor damage. Noise on flap retraction. Left one stayed down. Put right one same and landed. Worn bearing and tract, bent drive.

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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