# Accident 20200112000249A: Piper PA-31-350, Fairbanks, AK, January 12, 2020

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: January 12, 2020, 12:25 local time
- Place: Fairbanks, AK
- Airport: Fairbanks International
- Damage: Substantial damage
- Phase of flight: Landing: Touchdown
- Operating rules: Air taxi and commuter (Part 135)
- Operator: EPUA
- Location: 64.8117° N, 147.8697° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=64.8117&lon=-147.8697&mi=10
- Aircraft: N4112K, registered now (https://openairdocs.org/aircraft/N4112K) (OpenAirDocs)
- Registry model: Piper PA-31-350 (registry code 7103110, https://openairdocs.org/model/piper-pa-31-350) (OpenAirDocs)
- Registry engine: Lycoming TI0-540 series (registry code 41533, https://openairdocs.org/engine/lycoming-ti0-540-series) (OpenAirDocs)
- Reported make and model: PIPER PA-31-350
- Reported engine: LYCOMING TI0-540 SER
- People aboard: 7
- Fatal injuries: 0
- Other injuries: 0
- NTSB investigation: [NTSB ANC20LA013](https://openairdocs.org/ntsb/ANC20LA013) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20200112000249A

## Narrative

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

HYDRAULIC FITTING FAILED ALLOWING ALL HYDRAULIC FLUID TO LEAK OUT , THIS RESULTED IN ONLY THE NOSE WHEEL AND THE LEFT MAIN WHEEL TO EXTEND BUT LEFT THE RIGHT MAIN UP AND LOCKED. THE PILOT TRIED THE HAND PUMP AND THE BLOW DOWN BOTTLE TO NO AVAILE RESULTING IN A LANDING WITH THE RIGHT GEAR UP. FURTHER INSPECTION REVEALED THE SHUTTLE VALVE FOR THE RIGHT UPLOCK WAS ALSO FROZEN, THE VALVE WAS REMOVED AND DISASSEMBLED AND FOUND TO HAVE WATER INSIDE AND SIGNIFICANT CORROSION INSIDE THE CYLINDER.

## 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 ANC20LA013](https://openairdocs.org/ntsb/ANC20LA013), Jan 12, 2020: Piper PA31 (N4112K), Fairbanks, AK, substantial damage. Probable cause: The improper installation of a hydraulic line at the right main landing gear (MLG) unlock actuator, which resulted in a total loss of system hydraulic pressure and failure of the landing gear to…

## Other reports on N4112K (2)

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

- [Accident 20090314046849A](https://openairdocs.org/incident/20090314046849A), Mar 14, 2009: Piper PA-31-350 (N4112K), Buckland, AK, Substantial damage. Ptrs number: AL01200901461.aircraft landed long, 1,000 feet down the 3,200 foot runway due to a 10 knot tail wind. Runway was covered with ice, and the pilot…
- [Incident 19901025055399I](https://openairdocs.org/incident/19901025055399I), Oct 25, 1990: Piper PA31350 (N4112K), Kotzebue, AK. Right engine caught fire on climb. Shut down and returned. Oil dipstick had been left off.

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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