FTW82IA209

NTSB incident investigation · Piper PA-31P-135 · Lake Charles, LA · May 28, 1982

Incident · No injuriesIncident investigationFinal report
Date
May 28, 1982, 15:15 local (20:15 UTC)
Place
Lake Charles, LA
Injuries
7 uninjured
Damage
Minor damage
Phase of flight
Enroute
Aircraft
N222SAPiper PA-31P-135
Weather
Visual (VMC) · Day
Status
Completed · report May 28, 1983
Report
Approved by Office Director
FAA report
19820528054219I
Case key
71315

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.

Airframe/component/system failure/malfunctionCruise - normal
Electrical system,electric wiring - overtemperatureCause
Electrical system - not correctedManufacturerCause
Condition(s)/step(s) insufficiently definedManufacturerFactor

Analysis

While cruising at FL200 in VMC conditions, the pilot smelled and then observed smoke coming from the windshield defrosters and under the instrument panel. He advised houston center of his situation, then turned off all electrical equipment and made an uneventful descent and landing at Lake Charles, LA. Investigation revealed that one of the three resistors in the cigar lighter resistor assembly had overheated and burned through the phenolic backing on which it was mounted. After burning the backing, the heat burned about 2 feet of black rubber vacuum tubing. Research revealed that Piper had issued service bulletin (sb) #654 on this part. The sb called for the removal of these assemblies from all PA-31, 31-325 and 31-350 aircraft after a similar incident in June of 1980. The service bulletin and subsequent AD 79/20/07 did not address the same resistors installed in PA-31P aircraft.

Aircraft

Registration
N222SA
Reported as
Piper PA-31P-135
Category
Airplane
Serial number
31P-7400203
Airframe hours
2,052
Engine
P & W PT-6-135, 680 horsepower, turbo prop
Damage
Minor damage
Fire
In-Flight
Flight
Executive/Corporate · Part 91
Operator
Z-Rider Aviation, Inc.
Registered owner
Julian E. Fernandez
Departed
Lafayette, LA
Destination
Houston, TX
Flight plan
IFR

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 2, Valid Medical--no waivers/lim.
Flight hours
3,056 total · 36 in this make and model · 2,161 as pilot in command · 35 in the last 90 days · 3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
280° at 25 knots
Visibility
20 statute miles
Altimeter
29.00 inHg
Observed at
LCH

FAA reports on this event · 1

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