Citation 550/551 Inspections | SkyWay MRO Services

Inspection Document	Description	Time Interval
Phase B	General Airframe & Engine	150 hrs.
Phase 1	Nose, Cockpit, Interior	300 hrs / 24 mo.
Phase 2	Wings, Gear, Empennage	300 hrs / 24 mo.
Phase 3	Tailcone	300 hrs / 24 mo.
Phase 4	Airframe and Powerplants (both)	300 hrs / 24 mo.
Phase 4 A/F	Airframe Only	300 hrs / 24 mo.
Phase 5	Complete Inspection & 1200 hr.	1200 hrs / 36 mo.
Phase 1 thru 5	Complete Inspection
Phase 6	Airframe Exterior Check	14 days
Phase 7	Drag Chute	90 days
Phase 10	Ni-Cad Battery Check	100 hrs
Phase 11	Rudder Servo & Cables	200 hrs
Phase 12	ACM, Spar & T/R	600 hrs
Phase 13	PS-823 Emergency Power Supply	100 hrs / 3 mo.
Phase 14	Crack Inspection — Structures	10K hrs, then ea. 3K hrs
Phase 15	Empennage Structure: Crack Inspection — Tail, Horizontal	10K hrs, 15K hrs, then ea 1K
Phase 16	Crack Inspection — Door & Pylon	10K hrs, 15K hrs, 3000 hrs
Phase 17	Crack Inspection — Cabin Structure	10,000 hrs
Phase 18	Emergency Equipment	Every Year
Phase 19	Vertical inspection	10,000 hrs, then ea. 2500
Phase 20	A/S, Alt, ADC & Static with RVSM	Every 2 years
Phase 20	Phase 20 without RVSM	Every 2 years
RVSM Yearly Inspection		Every year
Phase 21	Transponder & CVR Beacon	Every 2 years
Phase 22	Pnuematic (Nitrogen) Hydro	Every 3 years
Phase 23	Engine Fire Bottles / Oxygen Bottle Hydro	Every 5 years
Phase 26	Cargo Door Pin Latch Inspection	2400 hours
Phase 27	Cargo Door Frame Inspection	3600 hours
Phase 34	Portable Fire Extinguishers	every 6 mo.
Phase 35	PS-835 Standby Gyro Battery Pack	3 to 6 mo.
Phase 37	Windows, Doors & Stabs	5000 hrs
Phase 39	Camera Pod	4500 hrs, then ea. Phase 5
Phase 41	Horizontal X-Ray	3,700 hrs, then ea. 1,200 hrs
Phase 47	Cockpit & Cabin Halon	Every 12 years
Phase 48	Cockpit & Cabin Halon	Every 6 years
Phase 49	Skin Joint & Doubler Inspection	1200 hrs / 36 mo.
Phase 53	Copilot’s Side Window Insp.	every 50 landings
Phase 55	Emer. Locator Transmitter	Every 12 mos.
Phase 56	Lead-Acid Battery Capacity	per Battery Manual
Phase 57	Copilot’s Side Window Insp.	150 hours after installation
Phase 58	Vapor cycle system hour meter	Every 300 hrs
Phase 59	Vapor cycle compressor 500 hrs	Every 500 A/C compressor hrs
Phase 60	Front Carry-Thru to Wing Spar Lugs Insp.	10K hrs then 1200 hrs
Phase 61	Corrosion Inspection	Every 6 mo.
Phase MA	BF Goodrich Brakes - no TRs	1st 224 lndgs, the ea. 200 lndgs, remove at 749 lndgs
Phase MB	BF Goodrich Brakes - w/ TRs	1st 425 lndgs, remove at 749 lndgs
Phase MC	Nose LG Fork - 1, - 3 (SN -0491, -0492)	3400 lndgs, then ea. 1000
Phase MD	Nose LG Fork -1, -3 (SN -002 to -0626, except -0491 and -0492)	Every 5000 landings
Phase ME	Nose LG Fork -1, -3 (SN -0627 and up)	3400 lndgs, then ea 1000
Phase MF	Vapor cycle system hour meter	300 hrs
Engine Change
Certificate of Airworthiness
Prepurchase Evaluation
Aircraft Re-weigh