# NTSB LAX85IA370: Beech B19, N9718L, Van Nuys, CA, August 23, 1985

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Incident investigation · Final report
- Date: August 23, 1985, 08:30 local (15:30 UTC)
- Place: Van Nuys, CA
- Coordinates: 34.190036, -118.490501 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=34.1900&lon=-118.4905&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 24563
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX85IA370
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/24563/pdf
- Page: https://openairdocs.org/ntsb/LAX85IA370

## Sequence of events

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

- Airframe/component/system failure/malfunction, takeoff - initial climb
  - flight control,aileron attachment - separation (cause)
  - maintenance,service of aircraft/equipment - inadequate, other maintenance personnel (contributing factor)

## Analysis

AFTER DEPARTURE, AT ABOUT 800 FEET, THE RIGHT AIRLERON BECAME DISCONNECTED. THE PILOT WAS ABLE TO MAKE A LEFT TURN, FLY A LEFT HAND TRAFFIC PATTERN AND LAND SUCCESSFULLY. EXAMINATION OF THE AIRCRAFT REVEALED THAT THE RIGHT INBOARD AILERON CONTROL PUSH ROD HAD SHEARED AT THE FORWARD END; THE BEARING HAD SEIZED. A LACK OF LUBRICATION WAS EVIDENT.

## Aircraft

- Registration: [N9718L](https://openairdocs.org/aircraft/N9718L), registered now, S/N MB-511, built 1971 (OpenAirDocs)
- Reported make and model: BEECH B19
- Registry model: [Beech B19](https://openairdocs.org/model/beech-b19) (registry code 1151215) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: MB511
- Airframe hours: 3025
- Engines: LYCOMING O-320 SERIES 150 horsepower reciprocating
- Damage: Minor damage
- Flight: Personal, Part 91
- Registered owner: Robert Schwulst
- Airworthiness certificate: Standard, Utility; Standard, Normal
- Last inspection: Annual, February 13, 1985
- Departed: VNY
- Destination: BFL, BAKERSFIELD, CA
- Airport: VNY, Van Nuys, runway 16R, 8,000 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 54; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 549 total, 466 in this make and model, 520 as pilot in command, 23 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 250° at 8 knots
- Visibility: 25 statute miles
- Lowest ceiling: none
- Temperature: 84 °F, dew point 48 °F
- Altimeter: 29.00 inHg
- Observed at: VNY

## 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 19850823049359I](https://openairdocs.org/incident/19850823049359I), Aug 23, 1985: Beech B19, Van Nuys, CA. After takeoff aircraft rolled to the right. Returned to find aileron push rod failed aft of forward attach point.

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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