# Accident 20120701012349A: Cessna R172K, Greene, NY, July 1, 2012

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 1, 2012, 15:30 local time
- Place: Greene, NY
- Airport: Greene
- Damage: Substantial damage
- Phase of flight: Cruise/Level Flight
- Operating rules: General operating rules (Part 91)
- Location: 42.3042° N, 75.7872° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=42.3042&lon=-75.7872&mi=10
- Aircraft: N758JQ, a cancelled registration (https://openairdocs.org/deregistered/N758JQ-2013-02-04) (OpenAirDocs)
- Registry model: Cessna R172K (registry code 2072431, https://openairdocs.org/model/cessna-r172k) (OpenAirDocs)
- Registry engine: Continental IO-360 series (registry code 17025, https://openairdocs.org/engine/continental-io-360-series) (OpenAirDocs)
- Reported make and model: CESSNA R172K
- Reported engine: CONT MOTOR IO-360 SER
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Private pilot
- Pilot flight hours: 550 total, 339 in this make and model, 7 in the last 90 days
- NTSB investigation: [NTSB ERA12LA428](https://openairdocs.org/ntsb/ERA12LA428) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20120701012349A

## Narrative

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

FLIGHT ORIGINATED FROM BECKS GROVE AIRPORT (K16) AT APPROXIMATELY 1500 LOCAL TIME. START UP, RUNUP, TAKE OFF AND CLIMB TO 4500 ALL NORMAL. AFTER APPROX. 15 MINUTES PIC NOTICED SLIGHT ROUGHNESS AND SLIGHT LOSS OF POWER. ROUGHNESS AND POWER LOSS BECAME WORSE AS PIC WAS PASSING GREENE AIRPORT. PIC STATED THAT HE HEARD METAL GRINDING SOUND AND POWER CONTINUED TO DEGRADE. PIC ELECTED TO TURN AROUND AND LAND AT GREENE (4N7). PIC ELECTED TO LAND DOWNWIND DUE TO INABILITY TO MAKE PATTERN APPROACH. AIRCRAFT TOUCHED DOWN MIDFIELD. PIC STATED THAT MAIN WHEELS TOUCHED FIRST. PIC STATED THAT HE RAISED FLAPS TO INCREASE BRAKING EFFICIENCY AND BRAKED HARD. NOSE CAME DOWN HARD AND PROP CONTACTED THE GROUND LEAVING 4 BLADE MARKS.  FIREWALL AND FLOORINSIDE CABIN FOUND TO BE BENT AND WRINKLED. PROP DAMAGED. INVESTIGATION REVEALED THAT THE NUMBER 3 CYLINDER HEAD SEPARATED FROM THE CYLINDER BARREL LEAVING A 1 INCH GAP BETWEEN THE HEAD AND BARREL. THE #3 CYLINDER BARREL WAS REMOVED AND SENT TO THE NTSB LAB FOR ANALYSIS. DISASSEMBLY REVEALED THAT THE #3 PISTON WAS HEAVILY DAMAGED BUT INTACT.

## 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 ERA12LA428](https://openairdocs.org/ntsb/ERA12LA428), Jul 1, 2012: Cessna R172K (N758JQ), Greene, NY, substantial damage. Probable cause: An undetected fatigue crack on the outer surface of the No. 3 cylinder barrel that could only have been detected visually and not by a differential compression test , resulting in separation of the…

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.