# Incident 20110328003829I: Cessna 421C, Bangor, ME, March 28, 2011

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: March 28, 2011, 05:30 local time
- Place: Bangor, ME
- Airport: Bangor
- Damage: No damage
- Phase of flight: Landing: Approach
- Operating rules: Air taxi and commuter (Part 135)
- Operator: F47A
- Location: 44.8074° N, 68.8281° W: Placed by OpenAirDocs at BANGOR INTL (BGR), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.8074&lon=-68.8281&mi=10
- Aircraft: N421RX, a cancelled registration (https://openairdocs.org/deregistered/N421RX-2023-04-01) (OpenAirDocs)
- Registry model: Cessna 421C (registry code 2076016, https://openairdocs.org/model/cessna-421c) (OpenAirDocs)
- Registry engine: Continental GTSI0-520-F-K (registry code 17031, https://openairdocs.org/engine/continental-gtsi0-520-f-k) (OpenAirDocs)
- Reported make and model: CESSNA 421C
- Reported engine: CONT MOTOR GTSI0-520-L
- People aboard: 4
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Commercial pilot
- Pilot flight hours: 1,630 total, 1,594 in this make and model, 90 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20110328003829I

## Narrative

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

THIS OFFICE NOTIFIED BY NEW ENGLAND AREA OPERATIONS CENTER THAT: "N421RX, C421, INBOUND TO BANGOR MAINE SHUTDOWN #2 ENGINE FOR AN UNSPECIFIED REASON.  AIRCRAFT LANDED WITHOUT INCIDENT AT 0530 EDT, 3/28/11."  UPON FURTHER INVESTIGATION IT WAS DISCOVERED THAT ON APPROACH TO BANGOR MAINE THE PILOT NOTICED A ROUGH RUNNING ENGINE DURING DECENT BETWEEN 8000 AND 7000 FEET.  PILOT INITIALLY THOUGHT IT WAS A FUEL ISSUE AND HENCEFORTH PUSHED THE MIXTURE UP AND TURNED RIGHT AUX FUEL PUMP TO HIGH.  THIS REMOVED SOME ROUGHNESS OUT OF THE ENGINE, HOWEVER A VIBRATION COULD STILL BE FELT.  ALL INDICATIONS ON INSTRUMENTS WERE NORMAL AND IN THE GREEN.  PILOT TRIED TO SMOOTH OUT THE ENGINES BY ADJUSTING THE PROPELLERS.  SHORTLY AFTERWARDS PILOT CONFIRMED OIL WAS LEAKING FROM RIGHT ENGINE, DECLARED AN EMERGENCY, SHUT DOWN RIGHT ENGINE FEATHERED PROPELLER.  UPON INVESTIGATION BY AIRCRAFT MAINTENANCE A CRACK WAS FOUND ON RIGHT HAND ENGINE EXTENDING APPROXIMATELY TEN INCHES FROM TOP RIGHT OF NUMBER 5 CYLINDER.

## Other reports on N421RX (1)

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

- [Accident 20171122019679A](https://openairdocs.org/incident/20171122019679A), Nov 22, 2017: Cessna 421C (N421RX), Presque Isle, ME, Substantial damage. The following summary of events is taken from a written statement provided by the PIC: aircraft performed normally during takeoff roll. Once airborne, 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.

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