- Registered owner
- N949sp LLC
- Location
- California, MD
- Owner type
- LLC
- Serial number
- 172S8145
- Year built
- 1999
- Type
- Fixed wing single engine
- Engine
- Reciprocating
- Airworthiness
- Standard, normal, utility
- Airworthiness date
- April 29, 1999
- Certificate issued
- December 2, 2023
- Expires
- December 31, 2030
- Mode S code
- AD3035
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Lycoming I0360 model are included below.
On this page
Airworthiness directives that may apply · 78
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1964 | 1 |
|---|---|
| 1966 | 1 |
| 1967 | 2 |
| 1968 | 1 |
| 1969 | 2 |
| 1971 | 2 |
| 1972 | 1 |
| 1973 | 4 |
| 1974 | 2 |
| 1975 | 1 |
| 1977 | 3 |
| 1978 | 1 |
| 1979 | 2 |
| 1982 | 1 |
| 1988 | 1 |
| 1989 | 1 |
| 1991 | 2 |
| 1992 | 1 |
| 1993 | 1 |
| 1995 | 1 |
| 1996 | 4 |
| 1997 | 1 |
| 1998 | 5 |
| 2000 | 1 |
| 2001 | 1 |
| 2002 | 1 |
| 2003 | 2 |
| 2004 | 3 |
| 2005 | 4 |
| 2006 | 6 |
| 2007 | 3 |
| 2008 | 7 |
| 2009 | 2 |
| 2010 | 2 |
| 2011 | 2 |
| 2012 | 5 |
| 2013 | 2 |
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 2 |
| 2026 | 1 |
See all 95 ADs
Information bulletins that may apply · 28
Advisory, not mandatory.
See all 35 bulletins
NTSB investigations
No NTSB investigations matched to N949SPMatched 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 Cessna 172S aircraft
FAA incident reports
No FAA accident or incident reports matched to N949SPMatched 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 Cessna 172S 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 2007FA0000310Nut · mismanufacturedWHILE INSTALLING KIT MK172-25-10C TO COMPLY WITH SB 04-25-01 R4 AND AD 2007-05-10, ONE OF THE PARTS IN THE KIT WAS MACHINED IMPROPERLY. THE HEIGHT ADJUSTING NUT HAD THE THRU HOLE FOR THE ULTRALOC WITH MALFORMED THREADS. THE MINOR DIAMETER OF THE THREAD WAS GRESDR 2007FA0000301Nut · mismanufacturedWHILE INSTALLING KIT MK172-25-10C TO COMPLY WITH SB 04-25-01 R4 AND AD 2007-05-10, ONE OF THE PARTS IN THE KIT WAS MACHINED IMPROPERLY. THE HEIGHT ADJUSTING NUT HAD THE THRU HOLE FOR THE ULTRALOC WITH MIS FORMED THREADS. THE MINOR DIAMETER OF THE THREAD WAS GRSDR 2002FA0001232Bulkhead · crackedDURING PHASE 1 INSPECTION, MAINTENANCE FOUND AFT PROPELLER SPINNER BULKHEAD CRACKED AT ONE FLANGE BY THE PROPELLER BLADE CUT OUT ON ONE SIDE. REPLACED PROPELLER AFT SPINNER BULKHEAD & REINSTALLED PROPELLER.SDR 2001FA0000145Servo · frozenSECOND FLIGHT OF THE DAY, TEMP 89F, DA 9444. ENGINE START WAS DIFFICULT, TAXI AND ENGINE RUN UP NORMAL. AIRCRAFT TOOK THE RUN WAY FOR TAKE OFF. WHEN THROTTLE WAS OPENED TO FULL POWER, ENGINE HAD POPPING NOISE AND WOULD ONLY DEVELOP 2000 RPM. TAKE OFF WAS ABORSDR 20010410AP013Servo · malfunctionedENGINE RSA-5AD1 FUEL SERVO WILL NOT MEET SPECIFICATIONS. FUEL FLOW BELOW 1700 RPM IS TOO HIGH. IDLE SPEED AND MIXTURE CAN NOT BE SET TO MFG SPECIFICATIONS WITH SATISFACTORY ENGINE OPERATION. FUEL SERVO REMOVED, SENT FOR REPAIRS. MAJOR REPAIRS ACCOMPLISHED ASDR 20010323CW015Lock · brokenPILOT REPORTED HIS SEAT LOCK PINS WOULD NOT RELEASE. MAINTENANCE FOUND THE PILOTS SEAT LOCK CONTROL WAS BROKEN. THIS SAME CONTROL WAS REPLACED 431.0 HOURS PRIOR FOR THE SAME PROBLEM. BOTH CONTROL ASSEMBLYS HAVE PN 1611020-05 REPLACE CONTROL ASSEMBLY, OPERATISDR 20010323CW017Starter · inoperativePILOT ATTEMPTED ENGINE START. FIRST FLIGHT OF THE DAY, STARTER WOULD NOT ROTATE. MAINTENANCE FOUND STARTER HAD TWO TERMINALS MELTED WHERE THEY ATTACH TO COMMUTATOR BRUSHES. REPLACED STARTER, OPERATIONAL CHECKED SAT.SDR 20010222CW009Starter · inoperativePILOT ATTEMPTED ENGINE START, STARTER WOULD NOT ROTATE. MAINTENANCE FOUND STARTER HAD TWO TERMINALS MELTED WHERE THAT ATTACH TO COMMUTATOR BRUSHES. REPLACED STARTER, OPERATIONAL CHECKED SAT.SDR 20001130SH004Bolt · backed outDURING PHASE 2 INSPECTION, PARKING BRAKE CROSSOVER CABLE, BELLCRANK BOLT WAS BACKED OUT AND RESTRICTING PILOT''S R-RUDDER PEDAL, FWD TRAVEL. WITH THE BOLT BACKED OUT OF THE BELLCRANK, PARKING BRAKE INOP. THE FIBERLOCK NUT WAS FOUND DOWN UNDER THE RUDDER PEDASDR 2000ZZZX23Bracket · crackedDURING PHASE 2 INSPECTION, FOUND LOWER COWL SHOCK MOUNT BRACKET CRACKED AT THE 4 O'CLOCK POSITION. THE OTHER HALF OF THE SHOCK MOUNT BRACKET WAS ALSO CRACKED, P/N 045303-3. REPLACED BOTH BRACKETS.SDR 2000ZZZX22Bracket · crackedDURING PHASE 2 INSPECTION, FOUND LOWER COWL SHOCK MOUNT BRACKET CRACKED AT THE 4 O'CLOCK POSITION. THE OTHER HALF OF THE SHOCK MOUNT BRACKET WAS ALSO CRACKED, P/N 045303-3. REPLACED BOTH BRACKETS.SDR 2000ZZZX21Mount · tornDURING PHASE 2 INSPECTION, FOUND 4 LOWER COWL ATTACH SHOCK MOUNTS TORN AT THE BASE. LOCATED AT THE 2, 3, AND 4 O'CLOCK POSITIONS AND THE LOWER L. REPLACED SHOCK MOUNTS.SDR 99ZZZX4155Pump · malfunctionedNEW 172S CONDUCTING FLIGHT TRAINING AT AIRFIELD ABOVE 6,000 FEET WITH DENSITY ALTITUDE AT 9,000 FEET AND AMBIENT TEMP APPROXIMATELY 89 DEGREES FAHRENHEIT. TAXI AND RUN-UP CHECKS SATISFACTORY. ON TAKEOFF ROLL, PILOT REPORTED POWER LOSS AND REJECTED TAKEOFF. SDR 99ZZZX2732Arm · misdrilledNEW CESSNA WITH 97.4 HOURS SINCE NEW. DURING FIRST PHASE 2 INSPECTION, FOUND PILOT'S AND COPILOT'S RUDDER PEDALS WERE NOT ALIGNED PARALLEL TO ONE ANOTHER. THE PILOT'S 'R' AND COPILOT'S 'L' RUDDER PEDAL MOUNT ARMS WERE MISDRILLED WHERE THEY MOUNT TO THE RUDDE
STCs that may be installed · 369
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Airframe · Cessna 172S
STC SA01233SEFabrication and installation of Alaskan Bushwheel LLC tail wheel and fork assemblySTC SA02571SEInstallation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display).STC SA01800SEFabrication and installation of new or replacement of existing instrument panel lights dimmer control.