N577QS
Registered owner: NETJETS SALES INC, OK (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| NETJETS AVIATION, INC. (DXTA) | Certificate holder | — | Matched by certificate designator |
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
CORROSION, FORWARD CABIN, RT LOWER SKIN, BFS 125.80 TO 157.00.
MAIN CABIN DOOR DIFFICULT TO CLOSE, HANDLE BINDS AND CATCHES ON CLOSING. DIFFICULT TO OPEN AS WELL. PINS MOVE FREELY WHEN DOOR IS OPEN. NOTICED THAT THE PRECATCH RESET SHAFT HANDLE WAS SPINNING AND LOOSE. THIS SEEMS TO AFFECT WITH THE DOOR HANDLE BINDING. ACCESSED AND NOTICED THAT THE SHAFT NUT WAS LOOSE. TIGHTEN THE NUT AND THE PRECATCH HANDLE STOPPED SPINNING. CLOSED ACCESS. LUBED ALL THE LINKAGES AND MOVING PARTS RELATED TO THE PRECATCH HANDLE. CLOSED THE MAIN CABIN DOOR MULTIPLE TIMES WITH NO DEFECT NOTED. REF AMM 52-10-00.
THE AIRCRAFT WENT INTO MAINTENANCE WITH ANOTHER VENDOR WHO PERFORMED A MLG CAMBER CHECK AND FOUND THE CAMBER OUT OF ADJUSTMENT. UPON FURTHER INSPECTION, TECHS FOUND THAT THE KEYLOCK WAS NOT ENGAGED IN THE ACTUATOR SHAFT. DURING SUBSEQUENT INVESTIGATION BY DUNCAN, IT IS DETERMINED THAT THIS IS NOT AN ISOLATED INCIDENT TO JUST THIS AIRCRAFT. RESEARCH HAS INDICATED THAT AT LEAST 4 DIFFERENT LOOSE ROD END JAM NUTS HAVE BEEN FOUND LOOSE DURING INSPECTIONS PERFORMED BY DUNCAN DATING BACK TO 2024. MOST RECENTLY A 5TH AIRCRAFT, N565QS, ARRIVED OCT 12 WITH A LOOSE JAM NUT. EXANIMATING THE LOCK KEYS FOUND WITH LOOSE JAM NUTS SHOW ONLY ABOUT 1/32 OF AN INCH ENGAGEMENT WITH THE ACTUATOR PISTON NOTCH (INDICATED BY WEAR AREA OF LOCK KEY). IT'S ALSO BELIEVED THAT MULTIPLE R&R OF THE ROD END FOR THE TASK CARD INSPECTION, ACTUATOR VIBRATION FROM NORMAL USE, AND NOT CHANGING THE LOCK KEY AT EVERY INSPECTION ALSO CONTRIBUTES TO THE LOCK KEY FAILING AND ALLOWING THE ACTUATOR PISTON TO ROTATE AND LOOSING UP FROM THE JAM NUT. THE 32-10-00-2201 RH MAIN LANDING GEAR ACTUATOR ROD END DETAILED INSPECTION IS A DISCRETIONARY MAINTENANCE 48-MONTH ITEM PUBLISHED BY TEXTRON FOR OPERATION IN HIGH CORROSION ENVIRONMENT. WE TYPICALLY DON'T SEE LOOSE JAM NUTS ON OTHER AIRCRAFT THAT DON'T HAVE THIS INSPECTION PERFORMED. IT'S NOT BELIEVED THAT IS CAUSED BY IMPROPER MAINTENANCE, BUT A COMBINATION OF INSUFFICIENT KEY ENGAGEMENT, NORMAL OPERATIONAL WEAR, AND NOT REPLACING THE KEY LOCK AT EVERY INSPECTION.
THE MAIN CABIN DOOR TAKES EXCESSIVE DOWN FORCE ON HANDLE WHEN OPENING FROM THE INSIDE. WHEN CLOSING FROM THE OUTSIDE THE LAST 20-30 DEGREES OF TRAVEL IF IT GETS AWAY FROM YOU IT SLAMS SHUT REALLY HARD CORRECTIVE ACTION: OPENED CABIN MED, FOUND WATER COMING FROM DOOR HANDLE, WE HAD RECENT STORMS THRU PHX. SOUND COMING FROM DOOR CABLES AND COUNTERBALANCE SPRINGS. LUBRICATED MED CABLE SYSTEM IAW AMM 20-10-50, MED DOOR OPEN AND CLOSES NORMAL, FUNCTIONAL CHECK GOOD. MX HISTORY SHOWS RECENT CHANGE TO CABLE SYSTEM, ITS STILL STIFF, BRIEFED THE FLIGHT CREW ON THE FIX FOR THE ISSUE AND MX HISTORY.
AFTER DOING A FLIGHT AN HOUR AGO EMERGENCY CABIN LIGHTS ARE FLASHING OVER THE ENTRY DOOR AS WELL AS SEAT THREE AND FOUR. FLOOR LIGHTS ARE FLASHING AS WELL. ARRIVED AND POWERED UP THE AIRCRAFT. TURNED ON AND NOTICED THAT THE 2 FWD CABIN EMERGANCY LINGS WERE FLASHING. PUT THE EM. LIGHT SWITCH IN THE ARMED POSITION AND LET THE BATTERY CHARGE FOR 30 MINUTES. AFTER 30 MINUTES SELECTED THE EM. LIGHTS TO THE ON POSITION AND NOTICED THAT THE LIGHTS WERE STEADY ON FOR 5 MINUTES BEFORE STARTING TO FLASH AGAIN. FWD EM. BATTERY POWER SUPPLY WILL REQUIRE REPLACMENT. REMOVED THE DEFECTIVE FWD EM. BATTERY INSTALLED A REPAIRED BATTERY REFERENCING AMM: 33-50-01. CHARGED THE BATTERY FOR 1.75 HRS PER AMM: 33-50-01. OPS CHECK OF THE EMERGANCY LIGHTING SYSTEM WAS GOOD.
REPEAT WRITE UP. MAIN CABIN DOOR IS NOT FUNCTIONING NORMAL. PINS ARE EXTENDING WHEN OUTSIDE HANDLE IS STOWED. THIS MAKES IT SO THAT HANDLE MUST BE CYCLED TO OPEN, IN ORDER TO CLOSE THE DOOR. FOUND OUTER HANDLE BELL CRANK AND INNER SLEEVE TO HAVE HEAVY BUILDUP CAUSING THE HANDLE LINKAGE TO BIND CLEANED AND LUBRICATED I.A.W. CE560XL MM 52-10-01 ALL OPERATIONAL CHECKS SATISFACTORY AT THIS TIME.
DOOR IS VERY STIFF TO MANIPULATE. UPON GETTING OUT OF PLANE, NOTICED THE OUTSIDE HANDLE DOES NOT MATCH THE POSITION OF THE INSIDE HANDLE. IT IS IN STOWED CENTER POSITION WHILE THE OUTSIDE HANDLE IS POINTING DOWNWARD IN THE OPEN POSITION CORRECTIVE ACTION: LUBRICATED CABIN DOOR HANDLE IAW 560XL AMM 12-20-52 OPS CHECK GOOD
MAIN DOOR: WHEN OPENING THE MAIN CABIN DOOR DOOR WITH THE SILVER DOOR OPENING LEVER YOU CAN HEAR AND FEEL A GRINDING IN THE HANDLE ABOUT 1/2-3/4 WAY DOWN IN THE HANDLE WHEN MOVING IT. CORRECTIVE ACTION: UPON ARRIVAL TO THE AIRCRAFT, CONFIRMED THAT GRINDING SOUND IS COMING FROM THE DOOR HANDLE IN THE CABIN WHEN CLOSING THE MAIN DOOR. GAINED ACCESS TO THE GEARS OF THE HANDLE, CLEANED AND LUBED GEARS AND HINGES. REF-CE-560XL AMM 52-10-01. OPS CHECK GOOD AT THIS TIME.
CABIN EMERG LIGHT: WITH THE BATTERY OFF, AND EMER LIGHTS TO ON, THE AFT GROUP OF EMER LIGHTS WERE DIM AFTER AN HOUR OF FLIGHT. REMOVED AND REPLACED CABIN EMERGENCY LIGHT BATTERY AND PERFORMED OPERATIONAL CHECK OF THE EMERGENCY LIGHT, OPS CHECK GOOD REF CE560XLS AMM 33-50-01 .
REPEAT WRITE UP-WHILE OPENING THE MAIN CABIN DOOR FROM THE INSIDE OF THE AIRCRAFT, THE MAIN DOOR HANDLE IS VERY DIFFICULT TO MOVE TO THE OPEN AND TO THE LOCKED POSITION.DOOR HANDLE FOUND JAMMED, NO DAMAGE NOTED JUST TRIGGER WOULD NOT DISSENGE DOOR, FOUND INTERIOR PULLIES AND MECHANISM EXTREMELY DRY. PERFORMED GREASING OF MED INTERIOR DOOR MECHANISM & BOROSCOPE OF CONNECTING RODS, NO DAMAGE NOTED. PERFORMED OPS CHECK OF DOOR & HANDLE. OPS CHECKED GOOD. NO DEFECTS NOTED, DOOR OPENS FROM THE INSIDE & OUTSIDE. WORK PERFORMED IAW AMM 52-11-07, NO FURTHER MAINTENANCE REQUIRED,
WITH MAIN CABIN DOOR CLOSED IT IS VERY DIFFICULT TO PUSH HANDLE TO LOCK POSITION. IT IS ALSO VERY DIFFICULT TO PUSH HANDLE TO OPEN POSITION. EQUALLY DIFFICULT WITH APU ON AND OFF. C/W VISUAL INSPECTION OF DOOR LATCHES, LINKAGE, HANDLES, & NO BINDING NOTED WHILE MOVING DOOR. FOUND SEVERAL SCREWS LOOSE TO THREE PLATES THAT RETAIN ECCENTRICS BUSHINGS CAUSING THEM TO SHIFT. MAKING VERY DIFFICULT TO CLOSE AND OPEN THE DOOR. WILL REQUIRE ECCENTRIC TOOL TO ADJUST THEM AS NECESSARY. WILL REQUIRE TO REPLACED SCREWS FOR RETAINERS. IAW 52-10-00. C/W MAIN DOOR LATCH ADJUSTMENT AND REPLACED ALL HARDWARE AS NECESSARY. PERFORMED SEVERAL OPS TESTED, NO FAULTS FOUND. !AW AMM 52-10-00.
WHILE TAXING OFF THE RAMP, THE ANTI-SKID INOP ANNUNCIATOR ILLUMINATED, STOPPED ACFT. POWER BRAKE CIRCUIT BREAKER TRIPPED. MINUTES LATER, LOW BRAKE PRESSURE ANNUNCIATOR ILLUMINATED, TOTAL POWER BREAK FAILURE. SHUT ENGS DOWN. R & R POWER BRAKE CB IAW AMM 24-00-00. PERFORMED OPS CHECK IAW AMM 32·42-00. PUMP COMES ON AS SHOULD & CB DOES NOT TRIP. R & R DIODES IAW AMM 24·00-00, PERFORMED OPS CHECK AND AGAIN, PUMP COMES ON & CB DOES NOT TRIP.
EMERG EXIT SIGN/LIGHT: EXIT LIGHTS ABOVE MAIN ENTRY DOOR AND ON EITHER SIDE OF MAIN ENTRY DOOR DO NOT ILLUMINATE WITH EMER LTS SWITCH ON AND BATT SWITCH OFF. WITH BATT SWITCH ON THEY WILL ILLUMINATE. REMOVED FORWARD EMERGENCY LIGHT BATTERY PACK DUE TO LOW VOLTAGE OUTPUT. INSTALLED TESTED BATTERY PACK. CHARGED BATTERY PACK, OPS CHECKED GOOD. ALL WORK ACCOMPLISHED JAW CESSNA 560 XL MM CH 33-50-01.
CABIN EMERG LIGHT: INTERIOR AFT EMERGENCY LIGHTS ARE ILLUMINATED WITH THE EMER LTS SWITCH IN ARM POSITION AND BATTERY SWITCH ON. INTERIOR FORWARD EMERGENCY LIGHTS ARE OFF. ///SIGNOFF/// COMPLIED WITH OPERATIONAL CHECK OF EMERGENCY LIGHTING. CONFIRMED CREW WRITE UP. RESET AFT INTERTIA SWITCH AND OPS CHECKED EMERGENCY UGHTING WITH NO DEFECTS NOTED. CHARGED UP EMERGENCY BATTERIES FOR 2 HOURS. WORK PERFOR??ED IAW CESSNA 560XLS AMM 33-50-00 & 33-50-01.
FLOOR EMERG EXIT LIGHT: FRONT LEFT EMERG FLOOR LIGHTING STRIP INOP ///SIGNOFF/// COMPLIED WITH OPERATIONAL CHECK OF EMERGENCY LIGHTING. CONFIRMED CREW WRITE UP. FOUND CONNECTOR OF FWD FLOOR UGHTING DISCONNECTED. INSTALLED CONNECTOR AND OPS CHECKED EMERGENCY UGHTING WITH NO DEFECTS NOTED. WORK PERFORMED IAW CESSNA 560XLS AMM 33-50-00.
MAIN DOOR VENT DOOR: MAIN DOOR VENT DOOR - INTERMITTENT. WHEN OPENING THE MAIN CABIN DOOR, THE LOWER MIDDLE RED SIX PACK LIGHT DOES NOT ILLUMINATE. AND, AFTER THE DOOR IS CLOSED AND LOCKED THE AMBER CABIN DOOR ANNUNCIATOR REMAINS ILLUMINATED.//CORRECITVE ACTION// R/R VENT DOOR SOLENOID PN 6711335-1. ACCOMPLISHED FUNCAITONAL CHECK WITH NO DEFECTS NOTED. C560 AMM 52-10-00
MAIN DOOR: MAIN CABIN DOOR UNLOCK LIGHT IS ILLUMINATED. SECOND FLAG FROM TOP RIGHT IS OUT OF VIEW. SECOND FLAG FROM TOP LEFT IS ONLY HALF IN VIEW. SIX PACK LIGHTS GO OUT, HOWEVER VENT DOOR SEEMS OUT OF SEQUENCE. ///SIGN-OFF/// ADJUSTED MAIN CABIN DOOR FLAGS TO ORIGINAL CONFIGURATION IAW CE-560 XLS AMM CHAPTER 52-10-01. CLEANED AND LUBED VENT DOOR MECHANISM. CLEANED PROXIMITY SWITCH AND ALL WARNING LIGHT OPS CHECKED GOOD. COMPLIED WITH SEVERAL CABIN DOOR OPERATIONAL CHECKS IAW CE-560XLS CHAPTER 52-10-00 AND CABIN DOOR AND VENT DOOR OPERATIONAL CHECKS, CHECKED GOOD. NO OTHER DEFECTS NOTED.
MAIN DOOR HARDWARE: MAIN ENTRANCE DOOR HANDLE (OPEN AND CLOSE DOOR FROM INSIDE) HAS CONNECTOR PIN MISSING AT BASE. FOUND PIN ON GROUND OUTSIDE OF DOOR. PIN IS IN CAPTAINS CUP HOLDER. // SIGNOFF// REINSTALLED PIN TO ACTUATING HANDLE PIVOT POINT. PERFORMED SUCCESSFUL OPERATIONAL CHECK IAW CESSNA 560XL AMM 52-10-00.
MAIN DOOR PRECATCH: MAIN CABIN DOOR PRECATCH WILL NOT RELEASE DOOR WITH APU OPERATING.
MAIN DOOR: MAIN CABIN DOOR VERY DIFFICULT TO LOCK/UNLOCK FROM INSIDE.
MAIN DOOR HANDLE: THE EXTERIOR HANDLE ON THE MAIN CABIN DOOR IS INOPERATIVE. THE HANDLE DOES NOT SNAP INTO THE SLOT LIKE IT SHOULD. IT IS VERY LOOSE AND APPEARS THAT THE INTERNAL SPRING MAY BE THE ISSUE.///SIGN-OFF///REMOVED AND REPLACED EXT DOOR HANDLE SPRING AND PIN WITH NEW PIN AND SPRING. IAW CE-560XL AMM 52-10-01. OPS CHECK GOOD.
MAIN DOOR HANDLE: INSIDE MAIN DOOR HANDLE IS EXTREMELY DIFFICULT TO MOVE FROM THE CENTER/STOWED POSITION TO THE "LOCKED" POSITION. // SIGNOFF// ADJUSTED THE LATCH PLATE AND ECCENTRIC CIRCLES TO ALLOW THE MED TO OPEN AND CLOSE WITH LESS DIFFICULTY OPERATIONAL CHECKS OF DOOR PASSED WITH NO DEFECTS NOTED. WORK DONE IAW CE-560XLS AMM 52-10-00.
FLOOR EMERG EXIT LIGHT: FULL STRIP OF LEFT FORWARD AISLE LIGHT OUT // SIGNOFF// TROUBLESHOT THE LH FWD AISLE LIGHTS TO MULTIPLE FAULTY STRIPS AND RESEARCED PARTS WITH MCC AND THEY PLACED THEM ON ORDER. REMOVED FWD LH AISLE LIGHT ASS(. PN: 9919040-2.6, SN 1210003960 AND INSTALLED NEW CUSTOMER SUPPLIED LH #1 AISLE LIGHT ASSY. PN: 9919040-26, SN1 121004662. OPERADONAL TEST GOOD, WORK PERFORMED WITH REF. TO AMM 33--20-04. REMOVED FWD, MID LH A1SU! UGHT ASSV, PN: 9919040-31, SN: 126004159. AND INSTALLED NEW CUSTOMER SUPPLIED LH FWD, #2 AILE LIGHT ASSY. PN: 9919040-3.1, SN: 126005132. OPERATIONAL TEST GOOD, WORK PERFORMED WITH REF. TO AMM 33-20-04 REMOVED FWD, AFT LH AISLE LIGHT ASSY. PN1 9919040-U., SN 11700389& AND INSTAIJ.ED NEW CUSTOMER SUPPLIED LH FWD, #3 AISLE UGHT ASSV. PN: 9919040-21., SN1 117005500. OPERATIONAL TEST GOOD. WORK PERFORMED WITH REF. TO AMM 33-20-04.
BRAKE PRESSURE LIGHT: ON TAXI OUT FOR DEPARTURE LO BRK PRESS/ ANTISKID ANNUNCIATOR ILLUMINATED. BRAKE PEDDLE BECAME UNEFFECTIVE. WE STOPPED THE AIRCRAFT WITH THE EMERGENCY BRAKE SYSTEM. ADVISED THE GROUND CONTROL . REQUESTED A STOP INPLACE AND ARRANGED A TOW BACK TO ATLANTIC // SIGNOFF// REMOVED EXISTING HYD PUMP HIGH PRESSURE SWITCH AND REPLACED WITH CUSTOMER SHIPPED OVERHAULED HIGH PRESSURE SWITCH IN REFERENCE WITH CE-560XL AMM 32-44-20 REMOVED AND REPLACED RELAY KZ067. REF CE-560 MM 24-50-03 AND PERFORMED A SATISFACTORY OPERATIONAL CHECK OF THE POWER BRAKE SYSTEM BLED THE BRAKES AFTER SWITCH WAS REPLACED REF DISCREPANCY #2 IN THIS WORK ORDER. NO DEFECT NOTED AT THIS TIME.
BRAKE PRESSURE LIGHT: LOW BRAKE PRESS AND ANTI SKID ANNUNCIATORS ILLUMINATED ON THE TAXIWAY. ALL CBS ARE IN. WE WERE TOWED BACK TO FBO. // SIGNOFF // REMOVED AND REPLACED POWER BRAKE MOTOR PN MP50B-1 SN 2996 AND INSTALLED CUSTOMER SUPPLIED OVERHAULED UNIT PN MP50B-1 SN 387. ALSO REPLACED HYDRAULIC PUMP ASSY PN 9912166-3 SN 7199 AND INSTALLED CUSTOMER SUPPLIED NEW UNIT PN 9912166-3 SN 10BU54. BLEED BRAKES AS REQUIRED, OPS AND LEAK CHECK GOOD WITH NO DEFECTS NOTED. REF CE560XL MM 32-44-20.
MAIN CABIN DOOR PRECATCH IS INTERMITTENT WHEN CABIN DOOR IS CLOSED NORMALLY. IF YOU CLOSE THE CABIN DOOR HARD THE PRECATCH WILL WORK EVERY TIME. "CORRECTIVE ACTION" ADJUSTED MAIN CABIN DOOR PRECATCH ASSY AS REQUIRED;OPS CHECK MAIN CABIN DOOR PRECATCH WITH NO DEFECT NOTED
MAIN DOOR PRECATCH LEVER: PRE-CATCH LEVER FLOPS AROUND. SECURED MAIN DOOR PRECATCH LEVER HANDLE IN REF WITH 52-10-01 OF THE CE-560XL AMM. NO FURTHER FAULTS FOUND AT THIS TIME
OFFENSIVE SMELL CONSISTENTLY COMING FROM THE AIR CONDITIONING SYSTEM WHEN REDUCING POWER AND DESCENDING OUT OF CRUISE ALTITUDE. REMOVED DIRTY CONDENSER BAG P/N 83237-12 AND INSTALLED CUSTOMER SUPPLIED NEW CONDENSER BAG PN 83237-12 RAN APU WITH NO ODER OR OTHER DEFECTS PRESENT AT THIS TIME, REF CE-560XL AMM 21-21-00.
RUDDER TRIM TAB SKIN IS CRACKED PROXIMATELY .5" ON BOTTOM AFT CORNER LT SIDE. COMPLIED WITH 8110-3 AND ERO-962724 REV IR DATED 9/22/2019 RUDDER TRIM TAB TRAILING EDGE REPAIR.
CLIMBING OUT OF 12,000 FEET, WE TURNED OFF THE APU. IMMEDIATELY HAD A BURNING ODOR. SHUT OFF COFFEE POT AS WELL. INVESTIGATED THE CABIN, SLIGHT SMELL. RETURNED TO COCKPIT, ODOR COMPLETELY DISSIPATED . 19600 FEET. RAN AIRCRAFT WITH BOTH ENGINES BLEED AIR AND APU BLEED AIR ON, NO SMOKE OKDOR NOTED AT THIS TIME. ALL WORK DONE IAW MM 21-51-00.CHECKED THE COFFEE POT. FOUND THE COFFEE INSIDE WAS VERY THICK AND SMELLED BURNED. REMOVED THE COFFEE POT AND CLEANED IT. REINSTALLED THE COFFEE POT BACK INTO THE AIRCRAFT. COMPLIED WITH TASK CARD TC-5XL-21-120902M, ECU DUCT BURN OUT. RAN THE ENGINES AND APU. NO SMOKE OR BURNING SMELL WAS NOTED.
ACM PRODUCES EXTREMELY HOT AIR REGARDLESS OF MODE, MANUAL OR AUTO, & REGARDLESS OF TEMP SETTING. STRONG ODOR THROUGHOUT ACFT AS TEMP RISES. DISCONNECTED CONNECTOR PTO 49 FROM THE ECU LOW LIMIT CONTROLLER, FOUND PIN F PUSHED BACK, REPOSITIONED PIN. OPERATED TEMP CONTROLLER IN MANUAL WITH APU RUNNING, OPERATIONS CHECKED GOOD. COMPLIED WITH MM 21-51-00.
RIGHT SIDEWALL AFT MOUNT SCREW DAMAGE TO EMERGENCY EXIT DOOR PANEL ASSY. COMPLIED WITH ENGINEERING REPAIR ORDER NR ERO-736336, DATED MAY 12,2015.
AT FLIGHT LEVEL 410, ODOR DEVELOPED, SHORTLY FOLLOWED BY AIR DUCT OVERHEAT, COCKPIT LIGHT ILLUMINATED. RAN APU WITH BLEED AIR ON & OPERATED TEMP CONTROLLER AT FULL HOT IN AUTO MODE LONG ENOUGH FOR DUCT TEMPERATURES TO CLIMB, DESCEND & STABILIZE. CYCLED TEMPERATURE FROM HOT TO COLD SEVERAL TIMES ALLOWING TEMPERATURES TO STABILIZE. DUCT TEMPERATURES REMAINED STABLE AND WELL WITHIN LIMITS DURING ALL OPS IN AUTO MODE. CHECKED MANUAL MODE PRODUCE ANY FAULT CODES DURING ANY OF THE OPERATIONS. PERFORMED BIT TEST ON TEMP CONTROLLER IAW MM 21-61-00. NO DEFECTS NOTED. CLEANED COCKPIT & CABIN TEMP SENSORS & VERIFIED THAT THE FANS WHERE OPERATING CORRECTLY. COULD NOT DUPLICATE THE DISCREPANCY & THERE IS NO SERVICE.
DURING LT BRAKE APPLICATION AT LOW SPEEDS, THE ENTIRE AIRPLANE SHUDDERED & HAD THREE PULSES CAN BE HEARD THROUGH THE ENTIRE CABIN. PULSING CAN BE FELT AND HEARD AND IS STRONGEST AT SLOW SPEEDS AND WHEN USING LEFT BRAKE ONLY. TAXIED ACFT AND DUPLICATED THE PROBLEM. LT BRAKE CHATTERS EVERYTIME PEDAL IS PUSHED. BLED THE ANTISKID BRAKE SYSTEM. ATTEMPTED SEVERAL TIMES TO CLEAR THE CHATTER AND AIR IN SYSTEM. COULD NOT ELIMINATE. MANUALLY OPERATED THE METERING VALVE. NOTED WHEN THE LT BRAKE ARM IS PULLED SLIGHTLY, THE HYDRAULIC FLUID WOULD BYPASS THE METERING VALVE. THE RT ARM WORKS NORMALLY. NO FLUID BYPASSING. HEN THE LT ARM IS PULLED, WOULD GET A CHATTER IN THE ANTISKID VALVE. DETERMINED THE BRAKE METERING VALVE TO BE AT FAULT. REMOVED THE METERING VALVEAND INSTALLED AN OVERHAULED UNIT. BLED ANTISKID BRAKE SYSTEM AND COMPLIED WITH AN OPS CHECK WITH NO DEFECTS NOTED. NO CHATTER. OPS AND LEAK CHECKED GOOD. IAW MM 32-44-20.
WHEN LEFT BRAKE APPLIED FIRST IT GRABS MOMENTARILY. WHEN BOTH BRAKES APPLIED SIMULTANEOUSLY OR RT BRAKE APPLIED FIRST, LT BRAKE DOES NOT GRAB. VERIFIED DISCREPANCY WHILE TAXIING THE ACFT TO MX & FOUND THE ACFT PULLS TO THE LT WHILE APPLYING BRAKES. INSPECTED THE CABLE TENSIONS TO THE POWER BRAKE VLV WITH NO DEFECTS NOTED. WHILE INSPECTING A CABLE IT WAS DISCOVERED THAT THE BRAKES HAVE A LOUD CHATTER WITH THE LT BRAKE APPLIED & RELEASED. PERFORMED EXTENSIVE BLEEDING OF LT & RT BRAKE SYS INCLUDING THE ANTI-SKID PORTION. CHATTERING NOISE DISAPPEARED & TAXIED THE ACFT WITH NO DEFECTS NOTED. WORK PERFORMED IAW MM 32-42-01.
APPROXIMATELY ONE MINUTE AFTER TAKEOFF THE TRIM WHEEL FROZE. NEITHER THE ELECTRIC TRIM OR MANUAL PRESSURE WOULD MOVE THE WHEEL. PUT MORE FORCE INTO MOVING THE WHEEL MANUALLY THAN NORMAL AND THE WHEEL BROKE LOOSE AND ALL TRIM FUNCTIONS RETURNED TO NORMAL. TRIM CHECKED FINE IN PREFLIGHT/BEFORE TAKEOFF AND ALSO TESTS FINE ON POSTFLIGHT. INSPECTED ELEVATOR TRIM CABLES AND ROUTING , NO DEFECTS NOTED. FOUND BLACK COLORED GREASE COMING FROM RT & LT TRIM ACTUATORS AND ABNORMALLY EXCESSIVE AMOUNTS OF GREASE ON TRIM CHAINS AND OUTSIDE OF ACTUATORS. REMOVED PUSH PULL ROD BOLTS AND FOUND ONE ACTUATOR ROD ON EACH ACTUATOR GRITTY/ BONDING WHEN TURNED. REMOVED RT & LT ELEVATORS, REMOVED AND REPLACED RT & LT ELEVATOR TRIM TAB ACTUATORS IAW MM 27-32-03. RE-INSTALLED RT & LT ELEVATORS IAW MM 27-31-01. PERFORMED ELEVATOR TRIM TAB SYSTEM RIGGING IAW MM 27-31-00. ELEVATOR AND ELEVATOR TRIM TAB TRAVEL CHECKS GOOD IAW MM 27-31-00-221. CLOSED ALL ACCESS PANELS.
IMMEDIATELY AFTER TAKEOFF, NOTICED A VERY STRONG ODOR IN THE COCKPIT ACCOMPANIED BY A SLIGHT HAZE. THE ODOR SMELLED MORE LIKE AN OIL THAN ELECTRICAL. RETURNED TO AIRPORT. ODOR DID NOT DISSAPATE, BUT DID NOT GET WORSE THAN INITIALLY NOTICED. INSPECTED APU INLET, EXHAUST AND CONTAINMENT BOX FOR OILY RESIDUE, NONE NOTED. REMOVED ACM INLET AND EXHAUST DUCTS AND INSPECTED, NO DEFECTS NOTED. ACCOMPLISHED TASK 12-19-02-160 OF THE MM WATER SEPARATOR RESTORATION. ACCOMPLISHED TASK 12-19-02-161 OF THE MM OZONE CONVERTER RESTORATION. NO DEFECTS NOTED. RAN ACFT FOR TWO MINUTES AT TAKE OFF POWER & FIVE MINUTES AT CRUISE VERYING B/A SOURCES, NO DEFECTS NOTED, PLUMBING & LEAK CHECK GOOD.
APPROXIMATELY ONE MINUTE AFTER TAKEOFF THE TRIM WHEEL FROZE. NEITHER THE ELECTRIC TRIM OR MANUAL PRESSURE WOULD MOVE THE WHEEL. PUT MORE FORCE INTO MOVING THE WHEEL MANUALLY THAN NORMAL AND THE WHEEL "BROKE LOOSE" AND ALL TRIM FUNCTIONS RETURNED TO NORMAL. TRIM CHECKED FINE IN PREFLIGHT/BEFORE TAKEOFF AND ALSO TESTS FINE ON POSTFLIGHT. PLANE WAS IN HANGAR OVERNIGHT AND WAS PULLED OUT TO FLY WHEN OUTSIDE TEMP AS -3 DEGS C. INSPECTED APU INLET, EXHAUST AND CONTAINMENT BOX IAW OILY RESIDUE, NONE NOTED. REMOVED ACM INLET AND EXHAUST DUCTS AND INSPECTED, NO DEFECTS NOTED. ACCOMPLISHED TASK 12-19-02-160 OF THE MM WATER SEPARATOR RESTORATION. ACCOMPLISHED TASK 12-19-02-161 OF THE MM OZONE CONVERTER RESTORATION. NO DEFECTS NOTED. RAN A/C FOR 2 MINUTES AT T-O. POWER & 5 MINUTES AT CRUISE VARYING B/A SOURCES, NO DEFECTS NOTED, PLUMBING & LEAK CHECK GOOD.
DURING A SCHEDULED INSPECTION, PERFORMED TASK 35-01-00-710. THIS TASK CHECKS THE ALITUDE IN WHICH THE PASSENGER MASKS WOULD DROP. FOUND THE INSTALLED PRESSURE SWITCH OUT OF TOLERANCE. THIS CONDITION HAS BEEN REPORTED TO MFG UNDER SDR 647960.
DURING A SCHEDULED INSPECTION, PERFORMED TASK 35-01-00-710. THIS TASK CHECKS THE ALITUDE IN WHICH THE PASSENGER MASKS WOULD DROP. FOUND THE INSTALLED PRESSURE SWITCH OUT OF TOLERANCE. A NEW SWITCH WAS INSTALLED, THIS SWITCH WAS OUT OF TOLERANCE. THIS UNIT WAS REJECTED AND RETURNED TO MFG. THIS CONDITION HAS BEEN REPORTED TO MFG SDR 647960.
DURING A SCHEDULED INSPECTION, PERFORMED TASK 35-01-00-710. THIS TASK CHECKS THE ALITUDE IN WHICH THE PASSENGER MASKS WOULD DROP. FOUND THE INSTALLED PRESSURE SWITCH OUT OF TOLERANCE. A NEW SWITCH, SN 1512 WAS INSTALLED, THIS SWITCH WAS OUT OF TOLERANCE. THIS UNIT WAS REJECTED AND RETURNED TO MFG. THIS CONDITION HAS BEEN REPORTED TO MFG UNDER SDR 647964.
DURING A SCHEDULED INSPECTION, PERFORMED TASK 35-01-00-710. FOUND THE INSTALLED PRESSURE SWITCH OUT OF TOLERANCE. A NEW SWITCH WAS INSTALLED, SWITCH OUT OF TOLERANCE. UNIT REJECTED AND RETURNED TO MFG.
DURING A SCHEDULED INSPECTION, PERFORMED TASK 35-01-00-710. FOUND THE INSTALLED PRESSURE SWITCH OUT OF TOLERANCE. A NEW SWITCH WAS INSTALLED, THIS SWITCH WAS OUT OF TOLERANCE. UNIT REJECTED AND RETURNED TO MFG.
DURING EARLY PART OF CLIMB AFTER SHUTTING OFF THE APU THERE WAS A FOUL ODOR IN THE COCKPIT THAT SMELLED ELECTRICAL IN ORIGIN. ODOR WAS LIMITED TO COCKPIT INITIALLY. RAN ENGINES FOR 45 MINS, WHILE RUNNING ENGINES HAD APU BLEED AIR ON AND NO SMELL NOTED. TURNED OFF APU BLEED AIR AND HAD A FAINT ODOR FROM WEEMACS, TURNED ON APU BLEED AIR AND ODOR WENT AWAY. REMOVED AND CLEANED COLESER SOCK, RAN ENGINES AND FOUND THE ODOR TO BE VERY FAINT. IAW MM 12-19-02 PULLED OZONE CONVERTERS AND CLEANED OZONE CONVERTERS, DRIED AND REINSTALLED CONVERTERS WITH NEW SEALS INSTALLED. ODOR WAS OF AN OIL TYPE AND NOT ELECTRICAL IN ORIGIN. PERFORMED INSPECTION OF CIRCUIT BREAKER PANELS (IAW MM 24-50-02). NO DEFECTS NOTED. RAN ACFT FOR 30 MINS AND DRIED OUT OZONE CONVERTERS, DID NOT FIND ANY FOUL ODOR WHILE RUNNING, WITH APU OR JUST ENGINES. OPS CHECKS GOOD AT THIS TIME.
THE RT BRAKE HAS A SHUDDER/ VIBRATION DURING BRAKE RELEASE. IT IS MOST NOTICEABLE AFTER LANDING WHEN THE BRAKES ARE HOT. FOUND RT BRAKE LEAKING FLUID AT FITTING ON SHUTTLE VALVE. REPLACED FITTING AND O-RING WITH NEW. PERFORMED BRAKE BLEEDING PROCEDURE IAW MM 32-42-00 & 32-44-00. OPS AND LEAK CHECKED SATISFACTORY.
WHEN THE GEAR WAS LOWERED, THE RT MAIN GEAR GREEN LIGHT DID NOT ILLUMINATE FOR APPROX 90 SECONDS. THE RED GEAR UNLOCK LIGHT CAME ON. ALL INDICATIONS RETURNED TO NORMAL GEAR LOCKED DOWN AFTER 90 SECONDS. R & R RT ACTUATOR. COMPLETED MLG OPS & LEAK CHECKS. ALL CHECKED GOOD. ALL WORK DONE IAW MM 32-30-04.