N509QS

Part: DOWNLOCK SWITCH — DIRTY (MLG) · airframe 5,189 hrs · 3,300 cycles

GEAR DISAGREE R CAS AT FINAL APPROACH FIX. ALSO RIGHT MAIN INDICATION AMBER X. COMPLIED WITH EMERG CL. BLEW DOWN BOTTLE AND TRIED TO PULL MAIN GEAR EMERG HANDLE IN LAV FLOOR. LANDED PLANE WITH AUDIBLE GEAR WARNING AND GOT RED X ON RT MAIN ONCE ON GROUND. CLEANED RT MLG LOCK SWITCHES. HOOKED UP HYD MULE & GPU. PULLED CBS. APPLIED POWER & HAD ALL 3 MLG DOWNLOCK INDS GREEN. CYCLED GEAR 10 TIMES WITH NO DEFECTS NOTED. AIRCRAFT IS GOOD TO RELEASE. WORK DONE !AW AMM 32-00-00.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 5,176 hrs · 3,292 cycles

MLG BRAKE PRESSURE: CONSISTENT EXCESSIVE AIRFRAME VIBRATION ON LANDING. NOT NOTICEABLE ON TAXI. //SIGNOFF// PREPARED THE AIRCRAFT FOR MX. SPUN ALL AC WHEELS TO CHECK FOR TIRES OUT-OF-ROUND OR DRAGGING BRAKES. NO DEFECTS NOTED. REMOVED ALL 4 OF THE MLG WHEEL & TIRE ASSEMBLIES, AND PERFORMED A GVI OF THE BRAKE ASSEMBLIES AND NO DEFECTS WERE NOTED AT THIS TIME. REPACKED WHEEL BEARINGS WITH SHC100 GREASE AS NECESSARY AND RETURNED MLG WHEEL ASSEMBLIES TO THEIR ORIGINAL LOCATIONS IRW CE-680A AMM 32-40-05. SERVICED HYDRAULIC RESERVOIR WITH BRAYCO OIL AS REQUIRED AND BLED THE MLG BRAKE ASSEMBLIES IRW CE-680A AMM 32-42-00. NOTED A FEW AIR BUBBLES AT THE #4 BRAKE ASSEMBLY. CONNECTED LANDING GEAR SIMULATOR TEST BOXES AND PERFORMED FUNCTIONAL CHECK OF THE ANTISKID BRAKE SYSTEM IRW CE- 680A AMM 32-46-00 AND FUNCTIONAL CHECK SATISFACTORY. NO HISTORY ON THIS DISCREPANCY. CONTACTED MCC AND WE ARE GOOD TO SIGN OFF. RETURNED AC TO ITS ORIGINAL CONFIGURATION. 16JAN2024.

Part: BATTERY — DEFECTIVE (ZONE 100) · airframe 4,723 hrs · 2,994 cycles

CABIN EMERG LIGHT: THE CABIN EMERGENCY LIGHTS ACROSS THE MAIN CABIN DOOR DO NOT COME ON. THE OTHER CABIN EMERG LIGHTS COME ON FOR LESS THAN 30 SECONDS. REMOVED DEFECTIVE EMERGENCY LIGHTING POWER SUPPLY BATTERY P/N: CBS28-1 S/N: 0465M (POS: 1) AND INSTALLED AN REPAIRED UNIT P/N: CBS28·1 S/N: 006209 IAW CESSNA MODEL 680A MM 33-50-06. OPS CHECK GDOD

Part: PCB — BROKEN (ZONE 100) · airframe 4,577 hrs · 2,892 cycles

THE MAIN CABIN DOOR GETS A FAULT INTERMITTENTLY AFTER A POWER CYCLE AND REQUIRES A OVERRIDE PER CHECKLIST. THE FAULT KEEP REPEATING. THE HANDLE AT THAT POINT IS BINDING AND DIFFICULT TO MOVE TO OPEN OR CLOSE. ITS GETS EASIER TO MOVE THE HANDLE AFTER AN OVERRIDE. DURING THE FAULT WE GET CAS MESSAGES, CHECK DOORS & CABIN DOOR OPEN. WHEN THE HANDLE IS MOVED TO CLOSE POSITION THE YELLOW LIGHT ON THE DOOR DOES NOT EXTINGUISH AND THE HANDLE CAN BE MOVED FREELY TO OPEN WITHOUT HAVING TO PRESS THE RED BUTTON. DURING THAT EVENT, THE HANDLE IS MORE DIFFICULT TO MOVE DUE TO BINDING. REMOVED FAULTY CED MONITOR PCB ASSY AND REPLACED WITH BRAND NEW CED MONITOR PCB ASSY IAW AMM 24-60-40. ALL OPS CHECKS GOOD NO DEFECTS NOTED.

Part: FLANGE — CORRODED (THRUST REVERSER) · airframe 3,157 hrs · 1,993 cycles

R/H ENGINE AFT BYPASS TO T/R FLANGE SHOWS SIGNS OF CORROSION. ACCOMPLISHED CORROSION REMOVAL AND RH TR FLANGE BLEND AND PRIME ACCEPTABLE FOR CONTINUED SERVICE, REF NORDAM FIELD ENGINEERING DISPOSITION DOCUMENT NTRSD-21TP-163 DATED 9 AUGUST 2021.

Part: FLANGE — CORRODED (THRUST REVERSER) · airframe 3,157 hrs · 1,993 cycles

L/H ENGINE AFT BYPASS TO T/R FLANGE SHOWS SIGNS OF CORROSION. ACCOMPLISHED CORROSION REMOVAL AND LH TR FLANGE BLEND AND PRIME ACCEPTABLE FOR CONTINUED SERVICE, REF NORDAM FIELD ENGINEERING DISPOSITION DOCUMENT NTRSD-21TP-163 DATED 9 AUGUST 2021.

Part: GEARBOX — CORRODED (ACCESSORY) · airframe 3,157 hrs · 1,993 cycles

R/H ENGINE AGB AFT SIDE SHOWS SEVERAL AREAS OF CORROSION AND WAS REPAIRED IAW P&W MAINTENANCE MANUAL PART NO. 30B7302 72-60-01 B.

Part: GEARBOX — CORRODED (ACCESSORY) · airframe 3,157 hrs · 1,993 cycles

L/H ENGINE AGB AFT SIDE SHOWS SEVERAL AREAS OF CORROSION AND WAS REPAIRED IAW P&W MAINTENANCE MANUAL PART NO. 30B7302 72-60-01 B.

Part: BATTERY PACK — DEFECTIVE (EMERGENCY LIGHTS) · airframe 3,101 hrs · 1,962 cycles

CABIN EMERG LIGHT: WITH MAIN BATTERIES OFF AND EMER LTS - ON, NO EMERGRNCY LIGHTS ILLUMINATE. WHEN SWITCH ITS MOVED TO ARM, EXIT SIGN ON AFT LAV DIVIDER (LEFT SIDE) REMAINS OFF. APPEARS TO BE FAILED BATTERY PACK(S). // SIGNOFF // REMOVED AND REPLACED #1, #2, #3 AND #4 EMERGENCY LIGHTING BATTERY PACKS IAW CE-68OA IAM LL-133-5O-O6. OPS CHECK GOOD.

Part: SKIN — CHAFED (FUSELAGE) · airframe 2,335 hrs · 1,503 cycles

REPAIR LOWER SKIN CHAFED FROM ANTI-ICE CROSS-FLOW VALVE. ACCOMPLISHED TEXTRON AVIATION STANDARD REPAIR SR-680A-ATA53-22175 DATED 07/19/2019, STANDARD REPAIR - 680A ALL S/N LOWER SKIN CHAFE FROM ANTI-ICE CROSS-FLOW VALVE. WITH FAA FORM 8100-9 DATED 07/19/2019.

Part: DOUBLER — CRACKED (NLG WW) · airframe 2,335 hrs · 1,503 cycles

REPAIR TO NOSE LANDING GEAR WHEEL WELL CRACKS. TEXTRON AVIATION STANDARD REPAIR SR-680A-ATA53-25890 DATED 06/01/2020, STANDARD REPAIR-CRACK DAMAGE, NOSE LANDING GEAR WHEEL WELL (NWW), FRAME, WEB, AND DOUBLERS, FS 75. WITH FAA FORM 8100-9 DATED 06/01/2020.

Part: WIRE HARNESS — DEFECTIVE (RT MLG) · airframe 1,973 hrs · 1,274 cycles

NOSE GEAR SHOWED UP, LEFT MAIN GEAR SHOWED UP, RIGHT MAIN GEAR SHOWED YELLOW HASH.  GEAR DISAGREEMENT LIGHT ILLUMINATED.  FOLLOWED CHECKLIST AND RETURNED TO KSLC. REPLACED RIGHT MLG HARNESS AND RIGHT MLG UPLOCK SWITCH P/N 6948101-3.

Part: OIL SYSTEM — OVERSERVICED (APU) · airframe 14,106 hrs · 5,049 cycles

STRONG ACRID ELECTRICAL SMOKE SMELL IN COCKPIT, BAGGAGE COMPARTMENT AND CABIN AREA, SMELL STRONG WITH APU AIR ON. AIRCRAFT POWERED ON EXTERNAL AC CART WITH ALL CABIN/GALLEY SYSTEMS ON FOR 2 HOURS. NO SMELL/SMOKE DETECTED AS PER THE CREW SMELL WAS PRESENT WITH APU ON. INSPECTED APU OIL QUANTITY LEVEL AND FOUND APU OVERSERVICED ABOUT 1.5 CANS. APU OIL QTY SYSTEM SERVICED TO THE CORRECT LEVEL IAW AMM 12-14-49 REV 44 DATED JUN 15 2016. APU RUN IAW AMM 49-00-00 REV 44 DATED JUN 15 2016, SATISFACTORY NO SMELL/SMOKE DETECTED. OIL LEVEL CHECK IAW AMM 12-14-49 REV 44 DATED JUN 15 2016, SATISFACTORY.

Part: LUG — DAMAGED · airframe 14,036 hrs · 5,008 cycles

AFTER REMOVING BUSHINGS FROM RT SPONSON RIB AFT MOUNT LUG, FOUND NICK ON TOP SIDE OF FITTING. OVERSIZED THE RT AFT SPONSON LUG TO THE FIFTH OVERSIZE WITH A FINAL READING OF 2.5595 " (READINGS WERE TAKEN AT THREE DIFFERENT POSITIONS INSIDE LUG) WORK DONE PER DWG SE55732106 REV. B. INSTALLED WET WITH MIL S 8802 BUSHINGS ON R/H MLG SPONSON RIB AFT MOUNTING LUG. FINAL REAMED BORE TO 2.2501 , ALL WORK DONE PER DWG SE55732106 REV B

Part: SKIN — DELAMINATED (RT SPOILER) · airframe 11,347 hrs · 3,859 cycles

RT GROUND SPOILER ASSY IS DELAMINATED BEYOUND LIMITS. SEE W/O SC2193.19.1 AND 18.6.3.

Part: GROUND WIRE — ARCED (PUMP) · airframe 11,154 hrs · 3,785 cycles

WHILE WORKING AUX FUEL PUMP PROBLEM, FOUND WHERE GROUND WIRE HALF ARC THROUGH FUSELAGE. FOUND AN EXCESSIVE AMOUNT OF CORROSION AND SIGNS OF ARCHING ON GROUND STUD TO AUX PUMP. REPAIRED IAW CS289825.

Part: SKIN — CRACKED (LT WING TE FLAP) · airframe 1,116 hrs · 3,785 cycles

FOUND LT FLAP SKIN CRACKED DURING MAINTENANCE. VISUALLY INSPECTED AND CLEANED AREA OF LT FLAP AT WS 251.18 AT FWD FROM T/E. 10X MAGNIFICATION REVEALED A HAIRLINE CRACK 1.175" IN LENGTH ALONG RIVET ROW AND EXTENDING BEYOND THE 6 RIVETS. AREA HAS CHIPPED PAINT AND CRACK IS VISIBLE THROUGH CHIPPED AREAS. FAIRED LT AILERON TO FIXED T/E, FAIRED AILERON TRIM TAB T/E TO AILERON T/E. RECORDED ALL REQUIRED DIMENSIONS FOR LT FLAP ONLY ON CMP TASK CARD GV 275001. REMOVED LT FLAP ASSY. INSTALLED (LOANER) REPAIRED FLAP ASSEMBLY SN 060 ON ACFT. COMPLIED WITH FLAP CONTROL SYS FUNCTIONAL TEST. ALL TEST PASSED WORK PERFORMED IAW.

Part: BEAM — CRACKED (LT WING) · airframe 8,104 hrs · 2,751 cycles

CRACK LOCATED ON WING REAR BEAM BEHIND FLIGHT SPOILER ACTUATOR BRACKET. LT AND RT PER CUSTOMER BULLETIN THIS IS A RESULT OF IMPROPER RIGGING OF THE FLIGHT SPOILERS.

Part: CONNECTOR — CORRODED (NLG STEERING)

EXCESSIVE CORROSION AT CONNECTOR PINS CAUSING NWS FAIL MSG. SUGGEST PERIODIC INSPECTION AND CLEANING OR IMPROVED CONNECTOR SEALING FROM MOISTURE. (K)

Part: ACTUATOR VALVE — DEFECTIVE (HYD SYSTEM) · airframe 4,522 hrs · 1,537 cycles

L-R AIL HYD OFF WARNING ACTIVATED IN FLIGHT, L - AIL CB POPPED ON GROUND.

Part: FUEL CONTROL — FAILED (ENGINE) · airframe 3,947 hrs · 1,375 cycles

ENG MAINT AMBER CAS MESSAGE.

Part: CONTROL UNIT — DEFECTIVE (FLAPS) · airframe 3,303 hrs · 1,198 cycles

UNCOMMANDED STAB, FLAP/STAB SYS FAIL CH B, FLAP STAB MX REQ CAS MESSAGES.

Part: RESOLVER — DEFECTIVE (STABILIZER) · airframe 3,290 hrs

AT FL410 AFTER 3.1 HRS OF FLIGHT, RECEIVED AN AMBER (UNCMDED STAB) MSG ALONG WITH (FLAP STAB SYS FAIL) AND (FLAP STAB MAINT REQ) MSG. HORIZONTAL STABILIZER SYSTEM AND RESOLVER. VERIFIED RESOLVER (SATB) WIRING TO THE FCU. REMOVED AND REPLACED RESOLVER IAW GV MM 27-43-01 PG 401-403. COMPLIED WITH STAB RESOLVER. ADJUSTMENT IAW MM 27-43-01 PG 501-503. PERFORMED FLAP SYS OPERATIONAL CK IAW MM WITH NO DEFECTS NOTED.

Part: CONTROL SYSTEM — MALFUNCTIONED (TE FLAPS)

ON TAKEOFF WHEN FLAPS WERE SELECTED UP THE STOPPED AT APPROX 7 DEGREES. FLAPS WERE CYCLED BUT THEY WOULD NOT MOVE (UP AND DOWN). ON TAXI IN, HOWEVER THE FLAPS WERE SELECTED TO 10 DEGREES THEN UP. THEY WENT UP AND ARE WORKING NORMAL. TECH DISPATCHED PERFORMED OPERATIONAL CHECK OF SYS, NO FAULT FOUND. AIRCRAFT DEPARTED AND ARRIVED AS SCHEDULED.

Part: COMPRESSOR WHEEL — CRACKED (RT ENGINE)

DISCOVERED DURING SCHEDULED MAINTENANCE. RT ENGINE FAN DISK FOUND CRACKED WHILE PERFORMING SCHEDULED NON DISTRUCTIVE TESTING IAW AD AND MFG SB. FAN DISK PN BRR20791, SN CTDK 7185 ENGINE TYPE BR700-710A1-10, SN 11386. REMOVED LP FAN MODULE 31, PN M31-113, SN 31101204, TSN 1374.2 CSN 589. INSTALLED LP FAN MODULE 31, PN M31-113, SN 31101175, TSN 878.9, CSN 395. CRACKED MEASURED APPROXIMETLY ONE QUARTER INCH IN LENGTH.