# Incident 20120606016859I: Mckenzie Alan C GLASAIR III SH3R, Mesa, AZ, June 6, 2012

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: June 6, 2012, 13:24 local time
- Place: Mesa, AZ
- Airport: Falcon Fld
- Damage: No damage
- Phase of flight: Cruise/Level Flight
- Operating rules: General operating rules (Part 91)
- Location: 33.4608° N, 111.7283° W: Placed by OpenAirDocs at FALCON FLD (FFZ), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.4608&lon=-111.7283&mi=10
- Aircraft: N330AL, registered now (https://openairdocs.org/aircraft/N330AL) (OpenAirDocs)
- Registry model: Mckenzie Alan C GLASAIR III SH3R (registry code 0569176, https://openairdocs.org/model/mckenzie-alan-c-glasair-iii-sh3r) (OpenAirDocs)
- Registry engine: Lycoming IO-540 series (registry code 41530, https://openairdocs.org/engine/lycoming-io-540-series) (OpenAirDocs)
- Reported make and model: MCKENZIE ALAN C GLASAIR III SH3R
- Reported engine: LYCOMING IO-540 SER
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 0
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20120606016859I

## Narrative

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

ON 6-6-2012, N330AL, S/N 3030, A GLASSAIR III DURING CRUISE FLIGHT ENCOUNTERED  A POSSIBLE PROPELLER GOVERNOR MALFUNCTION ACCORDING TO THE PILOT. THE AIRCRAFT LANDED SAFELY AT FALCON FIELD (KFFZ), MESA, AZ WITH NO INJURIES TO THE PILOT OR PASSENGER, ADDITIONALLY THERE WAS NO DAMAGE TO THE AIRCRAFT OR AIRPORT FACILITIES.THE PROPELLER AND GOVERNOR WERE TESTED BY A 14 CFR PART 145 REPAIR STATION WHO VALIDATED THE PROPELLER GOVERNOR IS FUNCTIONING CORRECTLY.  A TEST WAS PERFORMED ON THE ENGINE TO DETERMINE CORRECT OIL PRESSURE, THIS TEST INDICATED THAT THE ENGINE WAS NOT PRODUCING THE CORRECT AMOUNT OF OIL PRESSURE, INITIAL TROUBLESHOOTING INDICATES THAT THE FORWARD CRANKSHAFT BEARING MAY HAVE ROTATED BLOCKING OIL FLOW, THE BLOCKED OIL FLOW AND REDUCED PRESSURE MAY HAVE LIMITED THE REQUIRED OIL PRESSURE TO THE PROPELLER GOVERNOR REQUIRED TO MAINTAIN BLADE ANGLE.THE AIRCRAFT OWNER WORKS OVERSEAS AND HAS NOT RETURNED TO THE UNITED STATES TO HAVE THE ENGINE DISASSEMBLED AND INSPECTED TO DETERMINE THE CAUSE OF THIS DISCREPANCY.THE FAA HAS REQUESTED TO BE ADVISED BY THE OWNER WHEN THE ENGINE IS TO BE INSPECTED.NO FURTHER INFORMATION CAN BE GIVEN AT THIS TIME, 8-7-2012.

## Other reports on N330AL (2)

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

- [Incident 20080910846919I](https://openairdocs.org/incident/20080910846919I), Sep 10, 2008: Amtr GLASAIRIII (N330AL), Chicago/Romeov, IL, Minor damage. (-23) Aircraft landed (lot) on runway 09 at 100 KTS. Upon landing aircraft veered to the right and would not stop. Pilot applied full left brake but the…
- [Incident 19900523041919I](https://openairdocs.org/incident/19900523041919I), May 23, 1990: Amtr GLASAIR (N330AL), Arlington, WA, Minor damage. Landing gear failed to extend on last touch and go landing. Landed gear up. Gear handle was in down position.

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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