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N20LX

Open the Markdown

1975 Piper PA-31-350 · Lycoming TIO-540 series

Open in FAA registry

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Registered owner
Lockheed Martin Corporation
Location
Palmdale, CA
Owner type
Corporation
Serial number
31-7552121
Year built
1975
Type
Fixed wing multi engine
Engine
Reciprocating
Airworthiness
Experimental, research and development
Airworthiness date
August 19, 2026
Certificate issued
October 2, 1997
Expires
September 30, 2028
Mode S code
A190BA
Piper PA-31-350Airframe model · 8 seats · 2 engines · 399 registeredTCDS A20SOAirframe · Piper PA-31-350TCDS E14EAEngine · Lycoming TIO-540 series

From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Lycoming TIO-540 model are included below.

On this page

Airworthiness directives that may apply · 106

Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.

1969In forceSuperseded2026
See all 129 ADs

Information bulletins that may apply · 13

Advisory, not mandatory.

Historical bulletins · 2
SAIB NE-08-26R1Dual MagnetosIssued Jul 8, 2008SAIB NE-08-32Propeller Governor Set ScrewIssued Jul 3, 2008

NTSB investigations

No NTSB investigations matched to N20LXMatched by N-number and event date, checked against the reported serial number, make and model. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Piper PA-31-350 aircraft

FAA incident reports

No FAA accident or incident reports matched to N20LXMatched by N-number and event date, checked against the reported make and model. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Piper PA-31-350 aircraft

Service difficulty reports · 2

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

SDR BH22001F00000Tire · defectiveGOODYEAR FLIGHT CUSTOM II 6PLY. THIS IS THE SECOND TIRE. I HAVE CHANGED DUE TO THIS CONDITION I DID NOT SAVE THE FIRST TIRE. WHEN I CHANGED IT LAST AND THOUGHT THE BLISTER WAS FROM AGE. THIS IS THE SECOND TIRE, LOOKS LIKE MAYBE THERE IS A WEAK SPOT OR DEFEOct 31, 2001 · N20LX · Piper PA31350 · TireSDR 98ZZZX1853Contactor · failedWENT TO SERVICE BATTERY AND FOUND BATTERY RELAY BROKEN AND WIRES BURNED. THE SYSTEM STILL WORKED, BUT SUBMITTER DOES NOT KNOW HOW LONG RELAY EAR HAD BEEN BROKEN OFF. IT SEEMS THAT EVEN THOUGH THE EAR ON THE CONTACTOR HAD BROKEN OFF, IT WAS STILL ABLE TO MAKEMay 4, 1998 · N20LX · Piper PA31350 · DC Generating System

STCs that may be installed · 300

Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.

See all 300 STCs