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19970119005329I

Incident
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FAA incident report · Lear 36A · Aspen, CO · January 19, 1997

FAA Aviation Safety Information Portal

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Date
January 19, 1997 · 10:15 local
Place
Aspen, CO
Airport
Aspen-Pitkin Co - Sardy Field
Phase of flight
To Aborted (Fixed Wing)
Operating rules
General operating rules (Part 91)
Aircraft
N978E
Reported as
Lear 36A
Reported engine
Garrett TFE73122B
People aboard
4
Fatal injuries
0
Pilot’s flight hours
15,839 total5,360 in this make and model105 in the last 90 days

From the FAA’s Accident/Incident Data System (AIDS), through its Aviation Safety Information Portal, as reported. The NTSB investigates accidents separately, and its record of an accident is the fuller one. The aircraft is matched to the registry 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.

What happened

The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.

Narrative: on January 19, 1997, Lear jet N978E was on takeoff at Aspen, Colorado (ase). The variable nose steering became uncontrollable. The pilot in command used braking and engine reverse and could not maintain the runway. The aircraft departed the runway to the right and into the snow. The aircraft was tugged out of the snow to a heated hangar. The snow was removed from the wheel wells and the aircraft inspected for damage. With the concurrence of Lear jet and the MEL, the aircrft was flown to the centennial airport (apa). Learjet at apa found that a winchester-type plug was intermittent, creating intermittent power control of the variable nose steering. The plug was replaced and high speed taxi test was conducted. The aircraft was returned to service. Lear jet maintenance completed FAA form 8010-4, (malfunction or defect report). In the comment section of the 8010-4, it was recommended replacing the winchester-type plug with a cannon-type plug, which is more durable and more resistant to moisture and corrosion.

As the FAA filed it

NARRATIVE: ON JANUARY 19, 1997, LEAR JET N978E WAS ON TAKEOFF AT ASPEN, COLORADO (ASE). THE VARIABLE NOSE STEERING BECAME UNCONTROLLABLE. THE PILOT IN COMMAND USED BRAKING AND ENGINE REVERSE AND COULD NOT MAINTAIN THE RUNWAY. THE AIRCRAFT DEPARTED THE RUNWAY TO THE RIGHT AND INTO THE SNOW. THE AIRCRAFT WAS TUGGED OUT OF THE SNOW TO A HEATED HANGAR. THE SNOW WAS REMOVED FROM THE WHEEL WELLS AND THE AIRCRAFT INSPECTED FOR DAMAGE. WITH THE CONCURRENCE OF LEAR JET AND THE MEL, THE AIRCRFT WAS FLOWN TO THE CENTENNIAL AIRPORT (APA). LEARJET AT APA FOUND THAT A WINCHESTER-TYPE PLUG WAS INTERMITTENT, CREATING INTERMITTENT POWER CONTROL OF THE VARIABLE NOSE STEERING. THE PLUG WAS REPLACED AND HIGH SPEED TAXI TEST WAS CONDUCTED. THE AIRCRAFT WAS RETURNED TO SERVICE. LEAR JET MAINTENANCE COMPLETED FAA FORM 8010-4, (MALFUNCTION OR DEFECT REPORT). IN THE COMMENT SECTION OF THE 8010-4, IT WAS RECOMMENDED REPLACING THE WINCHESTER-TYPE PLUG WITH A CANNON-TYPE PLUG, WHICH IS MORE DURABLE AND MORE RESISTANT TO MOISTURE AND CORROSION.