SEA87IA004

NTSB incident investigation · Cessna 402C · Everett, WA · October 4, 1986

Incident · No injuriesIncident investigationFinal report
Date
October 4, 1986, 06:53 local (13:53 UTC)
Place
Everett, WA
Injuries
5 uninjured
Damage
Minor damage
Phase of flight
Enroute
Aircraft
N2651YCessna 402C
Weather
Instrument (IMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19861004087539I
Case key
40541

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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Analysis

While enroute from seattle to bellingham on a regularly scheduled passenger commuter flight the left engine number 3 exhaust riser burned through. The pilot visually detected a discoloration on the left engine nacelle inflight but was unable to execute a precautionary landing before a burn through of the engine cowl occurred. An uneventful landing at Everett, Washington, was accomplished. The component had approximately 4000 hours since its last overhaul and 70 hours since its last 100 hour inspection.

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
Exhaust system,manifold/pipe - burnedCause
Cooling system,cowling - burned

Aircraft

Registration
N2651Y
Reported as
Cessna 402C
Category
Airplane
Serial number
402C0343
Airframe hours
8,252
Engine
Continental TSIO-520-VB, 325 horsepower, reciprocating
Damage
Minor damage
Flight
Part 135
Registered owner
San Juan Air Service, Inc.
Airworthiness certificate
Standard, Normal
Departed
SEA · Seattle, WA
Destination
BLI · Bellingham, WA
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
38
Certificates
Airline transport, Flight instructor
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
6,055 total · 2,700 in this make and model · 5 in the last 24 hours

Weather

Conditions
Instrument (IMC) · Day
Visibility
15 statute miles

FAA reports on this event · 1

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