NTSB CAROL · Event
Event LAX83FA002
Registry · N63SA
FAA Aircraft Registry record.
Make / Model
CESSNA 172M
Year of manufacture
1973 · 9 years old at event
Engine
LYCOMING 0-320 SERIES (180 hp)
Seats / Engines
4 seats · 1 engine
Last airworthiness date
19730414
ADS-B equipped
Yes — Mode-S A83CF4
Registrant of record
SKY VIEW AVIATION LLC
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Factual narrative
WHILE AT THE GATE WITH THE PASSENGERS SEATED & THE ENGINES RUNNING, THE COPILOT ATTEMPTED TO TURN UP HIS PANEL LIGHTS WITH THE RHEOSTAT LOCATED ON THE FAR RIGHT FORWARD PORTION OF THE SIDE ELECTRICAL PANEL. AT THAT INSTANT SMOKE BEGAN TO ERUPT AT HIS RIGHT KNEE POSITION. THE PASSENGERS WERE EVACUATED & THE COCKPIT FIRE WAS PUT OUT BY THE GROUND CREW. THE RHEOSTAT WAS FOUND TO BE CONTAMINATED WITH HYDRAULIC FLUID, & HEAVY ARCING WAS FOUND ON THE RHEOSTAT AT THE FULL HIGH POSITION. THREE HYDRAULIC LINES WERE FOUND TO BE BURNED IN HALF FORWARD & UNDER THE CIRCUIT BREAKER PANEL ACCESS DOOR. EXAMINATION OF THE HYDRAULIC BRAKE LINE REVEALED STRESS CRACKS DUE TO CHEMICAL CONTAMINATION OR FATIGUE, PERMITTING BRAKE FLUID TO ESCAPE INTO THE SURROUNDING AREA. THE BRAKE FLUID WAS IGNITED BY THE ARCING COPILOT'S RHEOSTAT, & THE FIRE REACHED AN OXYGEN LINE WITHIN SECONDS CAUSING A BLOW-OUT HOLE THRU THE FUSELAGE. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1982_LAX83FA002.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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