# Accident 20060112002309A: Bolkms BO105S, Ponce, Puerto Rico, January 12, 2006

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: January 12, 2006, 03:43 local time
- Place: Ponce, Puerto Rico
- Airport: Mercedita
- Damage: Substantial damage
- Phase of flight: Takeoff Ground Roll
- Operating rules: Air taxi and commuter (Part 135)
- Operator: Q6WA
- Location: 18.0000° N, 66.5500° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=18.0000&lon=-66.5500&mi=10
- Aircraft: N495LF, a cancelled registration (https://openairdocs.org/deregistered/N495LF-2012-11-29) (OpenAirDocs)
- Registry model: Messerschmitt-Boelkow-Blohm BO-105S (registry code 5626006, https://openairdocs.org/model/messerschmitt-boelkow-blohm-bo-105s) (OpenAirDocs)
- Registry engine: Allison 250-C20 series (registry code 03020, https://openairdocs.org/engine/allison-250-c20-series) (OpenAirDocs)
- Reported make and model: BOLKMS BO105S
- Reported engine: ALLSN 250C20
- Fatal injuries: 0
- Pilot flight hours: 4,475 total, 251 in this make and model, 46 in the last 90 days
- NTSB investigation: [NTSB MIA06LA044](https://openairdocs.org/ntsb/MIA06LA044) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20060112002309A

## Narrative

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

(-23) ON JANUARY 17, 2006, ACCIDENT INVESTIGATOR ^PRIVACY DATA O^, FROM ROLLS ROYCE ENGINES ARRIVED IN P.R., AND ON JANUARY 18, 2006 INSPECTOR ^PRIVACY DATA OMITTED^ VISITED MSE AIR GROUP HANGAR TO START A THOROUGH INVESTIGATION ON THE ENGINES. ^PRIVACY DAT^ WAS TOUCHING AND SENSING AREAS IN #2 ENGINE, AND DISCOVERED THAT A "B" NUT FOR THE LINE, PART NUMBER 6871461, THAT RUNS FROM THE FUEL CONTROL TO THE GOVERNOR, WAS LOOSE AT THE GOVERNOR END. IT COULD BE ROTATED WITH THE FINGERS. ^PRIVACY DATA OMITTED^

## 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 MIA06LA044](https://openairdocs.org/ntsb/MIA06LA044), Jan 12, 2006: MBB BO-105S (N495LF), Ponce, PR, substantial damage. Probable cause: A loose B-nut on the PC line connecting the power turbine governor (PTGOV) to the fuel control unit (FCU) that created a leak and caused the engine to roll back to an idle condition, causing a low…

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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