# Incident 20061210025199I: Beech F33A, Saratoga Spring, NY, December 10, 2006

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: December 10, 2006, 09:14 local time
- Place: Saratoga Spring, NY
- Airport: Saratoga County Airport
- Damage: Minor damage
- Phase of flight: Level Off Touchdown
- Operating rules: General operating rules (Part 91)
- Location: 43.0507° N, 73.8616° W: Placed by OpenAirDocs at SARATOGA COUNTY (5B2), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.0507&lon=-73.8616&mi=10
- Aircraft: N47TJ, registered now (https://openairdocs.org/aircraft/N47TJ) (OpenAirDocs)
- Registry model: Beech F33A (registry code 1151425, https://openairdocs.org/model/beech-f33a) (OpenAirDocs)
- Reported make and model: BEECH F33A
- People aboard: 1
- Fatal injuries: 0
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20061210025199I

## Narrative

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

(-23) ON DECEMBER 10, 2006, BEECH BONANZA N47TJ, BE33, WAS VFR ENROUTE TO SARATOGA SPRINGS, NY. THE PILOT REPORTED ALTERNATOR PROBLEMS APPROXIMATELY 12 MILES NORTHEAST OF THE CHESTER, VOR, MA AT 0914 EST, 12/10/06. BRADLEY APPROACH ADVISED PILOT THAT TURNERS FALLS AIRPORT WAS ABOUT EIGHT MILES TO THE EAST HOWEVER PILOT DID NOT RESPOND. THE AIRCRAFT CONTINUED TO DESTINATION, SARATOGA SPRINGS, NY (5B2) AND INTENTIONALLY LANDED GEAR UP AT APPROXIMATELY 1035. THE PILOT (SOLE OCCUPANT) WAS UNINJURED. MAINTENANCE INVESTIGATION DISCOVERED THE FOLLOWING: ON 12/11/2006, REPORTING INSPECTOR ARRIVED AT 5B2 TO INSPECT THE AIRCRAFT TO INVESTIGATE POSSIBLE CAUSE OF THE ELECTRICAL POWER FAILURE. INSPECTOR REQUESTED MECHANIC TO TURN ON BATTERY SWITCH TO VERIFY BATTERY VOLTAGE. IN DOING SO, BATTERY VOLTAGE WAS SHOWN AT 24 VOLTS AND RAPIDLY DECLINING TO APPROXIMATELY 16 VOLTS. INSPECTOR EXAMINED THE PRIMARY AND STANDBY ALTERNATOR FOR ANY OBVIOUS DISCREPANCIES. UPON COMPLETION, IT WAS NOTED ON THE PRIMARY ALTERNATOR THAT THE AUX LUG WAS LOOSE (AUX LUG SUPPLIES POWER TO THE ANNUNCIATOR PANEL). INSPECTOR THEN REQUESTED THAT MECHANIC REMOVE THE TOP COVER OF THE BATTERY BOX TO INSPECT THE INTEGRITY OF THE BATTERY AND TERMINAL CONNECTIONS. UPON REMOVAL OF THE COVER, INSPECTOR FOUND THE GROUND CABLE (NEG) SEVERELY CORRODED IN AND AROUND TERMINAL LUG. IN ADDITION, INSPECTOR EXAMINED EMERGENCY LANDING GEAR PROCEDURES "QUICK REFERENCE" CARD. EMERGENCY LANDING GEAR PROCEDURE REQUIRES THAT THE PIC PULL THE LANDING GEAR CIRCUIT BREAKER (30 AMP) AND CRANK DOWN THE GEAR BETWEEN 45 AND 50 TURNS. INSPECTOR REQUESTED THAT MECHANIC DUPLICATE PROCEDURE TO DEMONSTRATE THE INTEGRITY OF THE MANUAL EXTENSION OF THE LANDING GEAR. IN DOING SO, MECHANIC WAS UNABLE TO PULL OUT THE 30 AMP C/B, AS WELL AS THE INSPECTOR. DISCREPANCY WAS NOTED AND COMMUNICATED TO OWNER. ON 12/14/2006, A REVIEW OF THE AIRCRAFT MAINTENANCE LOG BOOKS WAS COMPLETED. IT APPEARS THAT THE PRIMARY ALTERNATOR HAS BEEN REPLACED IN 3/2005, AND 3/2006, WITH NO REASON OR EXPLANATION AS TO WHY THERE WERE YEARLY FAILURES WITH THE ALTERNATOR. THIS CASE IS CONSIDERED CLOSED.

## Other reports on N47TJ (1)

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

- [Incident 20160804013149I](https://openairdocs.org/incident/20160804013149I), Aug 4, 2016: Beech F33A (N47TJ), East Hampton, NY, Minor damage. Inspectors from this office investigated a gear up landing at khto involving N47TJ. Pilot in command and passenger reported no injuries. Inspectors interviewed…

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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