# Incident 20041126029729I: Doug DC3, Honolulu, HI, November 26, 2004

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: November 26, 2004, 14:10 local time
- Place: Honolulu, HI
- Airport: Honolulu International Airport
- Phase of flight: Normal Cruise
- Operating rules: Air taxi and commuter (Part 135)
- Operator: K2AA
- Location: 21.3069° N, 157.8583° W: Placed by OpenAirDocs: center of Honolulu, HI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=21.3069&lon=-157.8583&mi=10
- Aircraft: N9796N, registered now (https://openairdocs.org/aircraft/N9796N) (OpenAirDocs)
- Registry model: Douglas R4D-8 (registry code 3023693, https://openairdocs.org/model/douglas-r4d-8) (OpenAirDocs)
- Registry engine: Wright R-1820 series (registry code 67020, https://openairdocs.org/engine/wright-r-1820-series) (OpenAirDocs)
- Reported make and model: DOUG DC3
- Reported engine: WRIGHT R1820*
- People aboard: 3
- Fatal injuries: 0
- Pilot flight hours: 4,300 total, 1,200 in this make and model, 10 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20041126029729I

## Narrative

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

(-23) RIGHT ENGINE WAS SHUT DOWN DUE TO LOW OIL PRESSURE. THE FLIGHT CREW DECLARED AN EMERGENCY AND LANDED WITHOUT ANY FURTHER PROBLEMS. FINDING: OIL PRESSURE RELIEF VALVE HAD A PIECE OF DEBRIS IN AN OIL PASSAGE. THE DEBRIS HAS BEEN IDENTIFIED AS A SNAP RING LOBE FROM THE OIL PRESSURE RELIEF VALVE. CORRECTIVE ACTION: OIL PRESSURE RELIEF VALVE HAS BEEN REPLACED AND ENGINE RUN-UP ACCOMPLISHED. NO FURTHER PROBLEM AND AIRCRAFT RETURNED TO SERVICE. OPERATOR HAS SUBMITTED A FAA FORM 8010-4 MALFUNCTION OR DEFECT REPORT.

## Other reports on N9796N (1)

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

- [Incident 20110422010569I](https://openairdocs.org/incident/20110422010569I), Apr 22, 2011: Douglas R4D-8 (N9796N), Honolulu, HI, Minor damage. All preflight checks, engine start & ground run-ups conducted were normal. 12 seconds after takeoff: #1 tach went to 3500 RPM, #1 map dropped to 42". Oil PSI,…

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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