Registered owner
Redding Air Service Inc
Location
Redding, CA
Owner type
Corporation
Serial number
53150
Year built
1997
Type
Rotorcraft
Engine
Turbo-shaft
Airworthiness
Standard, normal
Airworthiness date
June 9, 1997
Certificate issued
January 26, 2021
Expires
January 31, 2028
Mode S code
A602A5

From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Allison 250-C20 model are included below.

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Airworthiness directives that may apply · 65

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

1972In forceSuperseded2026
ADs by the year they took effect: 85 ADs
19721
19731
19741
19772
19791
19811
19822
19841
19891
19941
19961
19983
19995
20006
20015
20025
20033
20041
20054
20062
20071
20081
20094
20112
20124
20135
20141
20153
20171
20182
20192
20212
20221
20234
20242
20251
20262
See all 89 ADs

Information bulletins that may apply · 7

Advisory, not mandatory.

Historical bulletins · 1

NTSB investigations

No NTSB investigations matched to N487ALMatched 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 Bell 407 aircraft

FAA incident reports

No FAA accident or incident reports matched to N487ALMatched 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 Bell 407 aircraft

Service difficulty reports · 14

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

SDR ALGA2017012541279Indicator · inoperativeDURING CRUISE MODE OF FLIGHT, PILOT NOTICED ENGINE OIL PRESSURE INDICATED "0". ALL OTHER INDICATIONS WERE NORMAL. PILOTED ELECTED TO RETURN TO BASE.Jan 16, 2017 · N487AL · Bell 407 · Engine Oil PressureSDR ALGA0730201536129Bearing · wornDURING CRUISE FLIGHT ENGINE CHIP LIGHT ILLUMINATED. LANDED ON AN OFFSHORE PLATFORM, EXAMINED CHIP PLUG FOUND METAL PARTICLES. UPON RECOVERY OF AIRCRAFT & SUBSEQUENT TEAR DOWN OF ENGINE, THE NATURE OF THE PROBLEM WAS DETERMINED TO BE THE NUMBER FIVE BEARING IJul 15, 2015 · N487AL · Bell 407 · Turbine SectionSDR ALGA095232Gear · spalledSPALLING ON GEAR TEETH. THIS IS A NEW STYLE GEAR AND THIS GEARBOX WAS REMOVED FOR HIGH VIBES. THIS IS A RECURRING EVENT ON C-47 GEARBOXES. REPLACED GEAR W/NEW PART.Jun 10, 2004 · N487AL · Bell 407 · Main Rotor GearboxSDR ALGA095231Gear · spalledSPALLING ON GEAR TEETH, THIS IS A RECURRING EVENT ON C-47 GEARBOXES. REPLACED GEAR W/NEW PART.Jun 10, 2004 · N487AL · Bell 407 · Main Rotor GearboxSDR 20001206SH005Nozzle · brokenTURBINE RECEIVED IN SHOP TO PERFORM 2000 HOUR OVERHAUL. UPON REMOVAL OF OUTER COMBUSTION CASE AND COMBUSTION LINER, FOUND A HOLE IN DOME OF 1ST STAGE SHIELD. ALSO, FOUND THE BROKEN PIECE LODGED ON 1ST STAGE NOZZLE VANE. POSSIBLE IMPROPER METAL USED TO MAKE Nov 13, 2000 · N487AL · Bell 407 · Turbine Engine Combustion SectionSDR 20000804SH020Duct · crackedUPON DAILY INSPECTION, CRACKS IN CORNERS CAUSED BY INHERENT VIBRATIONS. (X)Jul 8, 2000 · N487AL · Bell 407 · Rotorcraft Cooling Fan SystemSDR 99ZZZX4079Disc Pack · spreadFOUND NR 4 DISC PACK SPREAD JUST BEYOND LIMITS DURING 25-HOUR INSPECTION. FOUND NR 4 DISC PACK SPREAD BEYOND LIMITS. REMOVED NR 3 TAIL ROTOR DRIVESHAFT TO BLOWER SPLINE ADAPTER TO ENSURE IT STILL CONTAINED PROPER AMOUNT OF LUBRICANT. IT DID, BUT FOUND THE SSep 15, 1999 · N487AL · Bell 407 · Tail Rotor Drive ShaftSDR 99ZZZX3347Disc Pack · damagedDURING 25-HOUR, DISC PACK AD 97-24-17 PARA 'A', FOUND DISC PACK DAMAGED.Aug 1, 1999 · N487AL · Bell 407 · Tail Rotor Drive ShaftSDR 99ZZZX1693Bearing · debondedMAIN ROTOR HUB REMOVED FOR BEARING EXTRUDING. BEARING COMPLETELY DEBONDED AT 2ND CONE FROM FLANGE.Mar 6, 1999 · N487AL · Bell 407 · Main Rotor HeadSDR 99ZZZX48Disc Pack · damagedDURING 25-HOUR INSPECTION, FOUND GAP BETWEEN THE NR 1 DISC (MOST FORWARD) AND NR 2 DISC BEYOND .015 INCH. (THE NR 1 DISC IS THE ONE WITH THE PART NUMBERS SHOWING).Dec 6, 1998 · N487AL · Bell 407 · Tail Rotor Drive ShaftSDR 98ZZZX3519Disc · wornDURING 25 HOUR INSPECTION, GAP BETWEEN DISCS NR 1 AND NR 2, NR 2 AND NR 3, OF THE 10-DISC PACK EXCEED LIMITS.Aug 7, 1998 · N487AL · Bell 407 · Tail Rotor Drive ShaftSDR 98ZZZX3518Disc · wornDURING 25 HOUR INSPECTION, FOUND GAP BETWEEN DISC NR 1 AND NR 2, NR 9 AND NR 10, EXCEED LIMITS. (TOTAL NUMBER OF DISCS IN THE DISC PACK IS 10).Aug 7, 1998 · N487AL · Bell 407 · Tail Rotor Drive ShaftSDR 98ZZZX3521Disc · wornDURING 25 HOURS INSPECTION, FOUND GAP BETWEEN DISCS 9 AND 10 OF THE 10-DISC PACK EXCEED LIMITS.Aug 3, 1998 · N487AL · Bell 407 · Tail Rotor Drive ShaftSDR 98ZZZX3520Disc Pack · crackedWHILE PERFORMING A 25 HOUR INSPECTION, DISC PACK NR 7 WAS NOTED TO BE CRACKED. THE CRACKED DISC OF THE 10 DISCS IS THE NR 10 DISC. (THE VERY AFT DISC OF THE NR 7 DISC PACK).Jun 23, 1998 · N487AL · Bell 407 · Tail Rotor Drive Shaft

STCs that may be installed · 334

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

See all 334 STCs