# Accident 19840908047629A: Cessna 152, Rialto, CA, September 8, 1984

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 8, 1984, 10:15 local time
- Place: Rialto, CA
- Airport: Municipal
- Damage: Substantial damage
- Phase of flight: Forced/Precautionary Landing
- Operating rules: General operating rules (Part 91)
- Location: 34.1000° N, 117.3792° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=34.1000&lon=-117.3792&mi=10
- Aircraft: N4959H, a cancelled registration (https://openairdocs.org/deregistered/N4959H-2007-02-05) (OpenAirDocs)
- Registry model: Cessna 152 (registry code 2071835, https://openairdocs.org/model/cessna-152) (OpenAirDocs)
- Registry engine: Lycoming 0-235 series (registry code 41505, https://openairdocs.org/engine/lycoming-0-235-series) (OpenAirDocs)
- Reported make and model: CESSNA 152
- Reported engine: LYC O235L2C
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 95 total, 95 in this make and model, 17 in the last 90 days
- NTSB investigation: [NTSB LAX84LA476](https://openairdocs.org/ntsb/LAX84LA476) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19840908047629A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

EXHAUST ROCKER ARM ADJUSTING SCREW AND LOCK NUT LOOSE ON CYLINDER OF TOPPED ENGINE. BENT INTAKE VALVE PUSHROD.

## The NTSB's investigation of this event (1)

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.

- [NTSB LAX84LA476](https://openairdocs.org/ntsb/LAX84LA476), Sep 8, 1984: Cessna 152 (N4959H), Rialto, CA, substantial damage

## Other reports on N4959H (2)

Matched to the same aircraft by N-number and date.

- [Incident 19891109058669I](https://openairdocs.org/incident/19891109058669I), Nov 9, 1989: Cessna 152 (N4959H), Palmdale, CA. Engine roughness en route. Requested to land at USAF plant due to deteriorating power.
- [Incident 19880910049989I](https://openairdocs.org/incident/19880910049989I), Sep 10, 1988: Cessna 152 (N4959H), Riverside, CA. Emergency landing by student due to rough engine. Inspection found bottom 4 spark plugs lead fouled.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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