MIA88IA230

NTSB incident investigation · Piper PA-34-200T · Tampa, FL · July 21, 1988

Incident · No injuriesIncident investigationFinal report
Date
July 21, 1988, 08:00 local (12:00 UTC)
Place
Tampa, FL
Injuries
1 uninjured
Damage
Minor damage
Phase of flight
Landing
Aircraft
N47506Piper PA-34-200T
Weather
Visual (VMC) · Day
Status
Completed · report January 25, 1990
Report
Approved by Office Director
FAA report
19880721031809A
Case key
32067

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the incident.

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Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Main gear collapsedLanding - roll
Landing gear,main gear strut - fatigueCause
Maintenance,service bulletin/letter - not followedCompany maintenance personnelFactor
Loss of control - on ground/waterLanding - roll
Directional control - not possible
Ground loop/swerve - uncontrolled
On ground/water collision with objectLanding
Object - runway light

Analysis

Shortly after depg, the plt elected to rtrn to the arpt for paperwork he had forgotten. He rprtd the apch & touchdown were normal, but drg the lndg roll, the left main gear collapsed. Subsequently, the acft veered off the rwy & hit a rwy lgt before stopping. An exam of the left gear revealed the left main lndg gear trunnion had failed nr the fillet web due to fatigue. The trunnion had been in svc for 1255 hrs of opn. Piper svc bulletin #787A, dated 8/15/85, recommended that after 1000 hrs of svc, the trunnions be inspected at intervals not to exceed 100 hrs of opn until replaced. Inspections were to be made with a 10 power magnifying glass after paint & dirt were removed. The trunnion had been inspected at 55 flt hrs before the acdnt, but rprtdly, the operator failed to properly remove the paint & dirt before the inspection.

Aircraft

Registration
N47506
Reported as
Piper PA-34-200T
Category
Airplane
Serial number
34-7870001
Airframe hours
1,255
Engine
Continental TSIO-360-E, 200 horsepower, reciprocating
Damage
Minor damage
Flight
Business · Part 91
Operator
Trans Air Direct
Registered owner
Trans Air Direct, Inc
Airworthiness certificate
Standard, Normal
Last inspection
Annual · June 10, 1988 · 55 hours before
Airport
X16 · Vandenberg, runway 36, 3,260 × 75 ft, asphalt

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
29
Certificate
Commercial
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
926 total · 336 in this make and model · 848 as pilot in command · 88 in the last 90 days · 14 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
160° at 5 knots
Visibility
9 statute miles
Lowest ceiling
9,000 ft overcast
Temperature
75 °F, dew point 72 °F
Altimeter
30.00 inHg
Observed at
TPA, 10 nm away

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.

Other investigations on N47506 · 1

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