N421EX

Cancelled 2007

Deregistered aircraft · 1966 Boeing 727-22C · Amateur-built UNKNOWN ENG

Cancelled
May 5, 2007
Status when cancelled
Valid registration
Serial number
19099
Year built
1966
Type
Fixed wing multi engine
Airworthiness
Standard, transport
Airworthiness date
December 1, 1981
Certificate issued
March 3, 2005
Last registry action
April 25, 2005
Mode S code
A4FFD0
Location
Guthrie, OK
Owner type
Corporation

From the FAA registry file of October 28, 2026, cancelled registrations. Owners’ street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

FAA incident reports · 3

FAA accident and incident reports matched to this aircraft by N421EX and the event date: up to this one’s cancellation.

Service difficulty reports · 13

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

SDR 20010514SG007Hydraulic Line · brokenLOST ''A'' SYSTEM HYDRAULICS IN FLIGHT. RAN APPROPRIATE CHECK LIST. EMERGENCY DECLARED. REMOVED AND REPLACED BROKE HYDRAULIC LINE ON NR 2 SPOILER ACTUATOR. (M)Mar 31, 2001 · N421EX · Boeing 72722C · Hydraulic System, MainSDR 20000718AP002Pcu · leakingFLT 714 - BUF-CLE - LOSS OF HYDRAULIC SYSTEM B QUANTITY AND PRESSURE ON DESCENT. FOUND POWER CONTROL UNIT LEAKING, REPLACED UPPER RUDDER POWER CONTROL UNIT. (M)Apr 26, 2000 · N421EX · Boeing 72722C · Rudder Control SystemSDR 20000428AP013Engine · vibrationFLT 633 - ORD-SEA - DIVERTED INTO BIL, EXCESSIVE VIBRATION NR 3 ENGINE, OIL PRESSURE LIGHT ILLUMINATED OIL TEMPERATURE INCREASING. PRECAUTIONARY INFLIGHT ENGINE SHUTDOWN. AIRCRAFT FERRIED TO LCQ. REPLACED NR 3 ENGINE. (M)Feb 1, 2000 · N421EX · Boeing 72722C · Turbine SectionSDR 2000ZZZX455Bulb · failedRIC/IND - FLT 712 - RIGHT BULB IN SMOKE DETECTOR INDICATOR IS OUT. RELAMPED BULB. (X)Nov 24, 1999 · N421EX · Boeing 72722C · Detection SystemSDR 99ZZZX4340Fire Loop · out of positionMSY/IND - FLT 708 - NR 3 ENGINE FIRE DETECTION GROUND FAULT LIGHT IS ILLUMINATED. (DEFERRED IN IND, CLEARED IN EWR). FOUND FIRE LOOP RESTING ON LOWER ENGINE COWLING. RE-POSITIONED FIRE LOOP.Oct 26, 1999 · N421EX · Boeing 72722C · Fire DetectionSDR 99ZZZX4341Fire Loop · out of positionEWR/IND - FLT 711 - NR 3 GROUND FAULT LIGHT ILLUMINATED ALL OF THE TIME. (DEFERRED IN IND, CLEARED IN IAH). REPOSITIONED FIRE LOOP. (X)Oct 24, 1999 · N421EX · Boeing 72722C · Fire DetectionSDR 99ZZZM141Engine · damagedAFTER LANDING AT LCQ, FOUND NR 2 ENGINE HAS FOREIGN OBJECT DAMAGE AS FAR BACK AS C-4 POSSIBLY MORE. NR 2 ENGINE WILL BE REPLACED.Jan 7, 1999 · N421EX · Boeing 72722C · Turbine Engine Compressor SectionSDR 99ZZZM130Turbine · damagedFLT 720 - NR 1 ENGINE HAD 1 QUICK LOUD BANG ON TRIP FROM DTW TO IND. NOTICED OIL TEMP/PRESSURE WERE FINE. WITH N1 MATCHED N2, FUEL FLOW AND EGT VERY HIGH. ABOVE IDLE AND BELOW 70 PERCENT N1 ENGINE HAS VIBRATION. SMOOTHES OUT ABOVE N1 BUT TEMPERATURE GETS TDec 3, 1998 · N421EX · Boeing 72722C · Turbine SectionSDR 98ZZZM439Turbine · damagedFLT 613 - IND-CLT - HAD AN AIR TURN BACK TO IND. ON DEPARTURE FROM IND FELT VIBRATION IN RUDDER PEDAL'S AND FLOOR. NR 2 ENGINE HAD LOW N1 AND LOW EPR AND HIGH EGT. REMOVED AND REPLACED NR 2 ENGINE DUE TO TURBINE DAMAGE. (M)Feb 25, 1998 · N421EX · Boeing 72722C · Turbine SectionSDR 97ZZZM696Clamp · brokenNR 3 ENGINE FIRE WARNING ON CLIMB. REPLACED BROKEN CLAMP ON BLEED AIR DUCT.Apr 3, 1997 · N421EX · Boeing 72722C · Pneumatic Distribution SystemSDR 96ZZZX1639Retract Mech · malfunctionedON APPROACH INTO IND, LANDING GEAR HAD TO BE CYCLED THREE TIMES TO GET A DOWN AND LOCKED INDICATION ON THE RT MAIN GEAR. THE RED LIGHT REMAINED ON AND A GO-AROUND WAS INITIATED. AS THE AIRCRAFT PITCHED UP, THE LIGHT EXTINGUISHED AND THE GREEN LIGHT ILLUMINATFeb 27, 1996 · N421EX · Boeing 72722C · Landing Gear Retraction/Extension SystemSDR 95ZZZX6212Rivet · missingNO DOWN AND LOCKED INDICATION OF NOSE GEAR UPON DESCENT INTO SEA. CYCLED GEAR ONCE AND GREEN LIGHT ILLUMINATED AFTER APPROXIMATELY 4 MINUTES. FOUND 2 OF 3 RIVETS RETAINING NOSE GEAR LOCK SWITCH MOUNT BRACKETS TO NOSE GEAR BRACES MISSING ALLOWING SWITCH TO ROOct 1, 1995 · N421EX · Boeing 72722C · Landing Gear Position and WarningSDR 95ZZZM547Bleed Duct · leakingNR 3 ENGINE FIRE WARNING SOUNDED IN FLIGHT. DISCHARGED LEFT FIRE BOTTLE. INSPECTED NR 3 ENGINE FOR FIRE DAMAGE, NONE FOUND. REPLACED NR 3 ANTI-ICE VALVE, 13TH STAGE BLEED DUCT AND ASSOCIATED CLAMPS AND SEALS. REPLACED LEFT FIRE BOTTLE. (M)Sep 21, 1995 · N421EX · Boeing 72722C · Pneumatic Distribution System