# NTSB LAX83FUG04: Cessna 402B, N7856Q, Upland, CA, October 24, 1982

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: October 24, 1982, 16:30 local (23:30 UTC)
- Place: Upland, CA
- Coordinates: 34.100139, -117.659996 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=34.1001&lon=-117.6600&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report October 24, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 72899
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX83FUG04
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/72899/pdf
- Page: https://openairdocs.org/ntsb/LAX83FUG04

## Sequence of events

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

- Explosion, taxi - from landing
  - fuel system,vent - leak (cause)
  - maintenance,installation - improper (cause)

## Analysis

THE PILOT STATED THAT AFTER HE LANDED AND TURNED OFF THE RUNWAY TO TAXI, HE HEARD A LOUD REPORT (EXPLOSION) FROM THE RIGHT WING. HE EVACUATED THE AIRCRAFT AND FOUND THE SKIN SEPARATED FROM THE TOP AND BOTTOM LEADING EDGE OF THE RIGHT WING. SOOT WAS FOUND AROUND THE WING DRAIN HOLE FOR THE LEADING EDGE CAVITY. EVIDENCE WAS FOUND THAT FUEL LEAKED INTO THE CAVITY FROM AN IMPROPERLY INSTALLED FUEL VENT.

## Aircraft

- Registration: N7856Q (not matched to a registry record)
- Reported make and model: CESSNA 402B
- Category: Airplane
- Serial number: 402BD102
- Airframe hours: 2701
- Engines: CONTINENTAL TSIO-520E 300 horsepower reciprocating
- Damage: Substantial damage
- Flight: Business, Part 91
- Operator: Jon Allan Kodani
- Registered owner: J.V. Airservice Inc.
- Departed: OCN, OCEANSIDE, CA
- Destination: AVL, ASHEVILLE, NC
- Airport: CCB, Cable Airport, runway 24, 3,900 × 50 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 45; flight instructor, airline transport; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; flight hours: 10,000 total, 2,000 in this make and model, 9,850 as pilot in command, 50 in the last 90 days, 10 in the last 30 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 7 statute miles

## FAA reports on this event (1)

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

- [Accident 19821024056469A](https://openairdocs.org/incident/19821024056469A), Oct 24, 1982: Cessna 402B, Upland, CA, Substantial damage. Explosion in right wing during taxi after landing. Investigation revealed vent line leaking.

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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