N542QS

Part: CONNECTOR — DISCONNECTED (EMERGENCY LIGHT) · airframe 7,083 hrs · 4,652 cycles

EMER EXIT LIGHT ON AFT PARTITION BEFORE ENTERING THE LAV IS NOT ILLUMINATING. GAINED ACCESS AND FOUND THE CONNECTOR TO THIE EMER EXIT LIGHT ON THE LFT AFT PARTITION NOT CONNECTED. INSTALLED CONNECTOR AND PERFORMED OPS CHECK. OPS CHECK GOOD. CLOSED UP ACCESS. ALL WORK PERFORMED IAW 25-20-33.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 5,409 hrs · 3,517 cycles

NLG LANDING GEAR EXTENSION: WHEN LANDING GEAR WAS SELECTED DOWN, NLG DID NOT EXTEND & RECEIVED GEAR DISAGREE N CAS MESSAGE. RECYCLED MLG & NLG INITIALLY DID NOT EXTEND NORMAL & RECEIVED CAS MESSAGE AGAIN. ABOUT TO EXECUTE MISSED APPROACH, WHEN NLG EXTENDED & RECEIVED DOWN & LOCKED GREEN LIGHT. JACKED AIRCRAFT IAW MM 07-10-10. REMOVED FAULTY NLG EXTENSION/RETRACTION ACTUATOR & INSTALLED SERVICEABLE ACTUATOR IAW MM 32-30-05. PERFORMED NLG CASTER ADJUST IAW MM 32-00-00. NOTED CASTER GOOD AT 90 DEG. PERFORMED MLG CLEARANCE CHECK IAW MM 32-00-00. PERFORMED MLG OPS CHECK IAW MM 32-00-00. PERFORMED BLEEDING & SERVICING OF HYD SYS IAW MM 12-10-30. OPS & LEAK CHECKED GOOD.

Part: BATTERY PACK — INOPERATIVE · airframe 5,010 hrs · 3,298 cycles

EMERG LIGHT SWITCH: ON PREFLIGHT, FOUND EMERGENCY LIGHTS SWITCH IN THE ON POSITION. EMER LIGHTS WILL NOT ILLUMINATE IN THE ON POSITION. MOST ASSOCIATED EMER LIGHTS ILLUMINATE IN THE ARM POSITION. "CORRECTIVE ACTION" REMOVED POS #1 EMERGENCY LIGHTING BATTERY PACK PN CBS28-1 SN 005404. INSTALLED CUSTOMER SUPPLIED REPAIRED EMER LIGHTING BATTERY PACK PN CBS28-1 SN 326M INSTALLED PREVIOUSLY REMOVED FLOOR PANEL 131BTC AND ALL OTHER REMOVED COMPONENTS IN COCKPIT. WORK ACCOMPLISHED IAW CE680A AMM 33-50-06

Part: ENGINE — CORRODED (ZONE 400) · airframe 4,346 hrs · 2,860 cycles

RH ENGINE AGB CORRODED IN MULTIPLE LOCATIONS.

Part: NONE — GOUGED (ZONE 400) · airframe 4,346 hrs · 2,860 cycles

GOUGE ON RH ENGINE UPPER FWD SIDE ENGINE BANANA MOUNT. REF. DQ32830 DATED DEC. 13, 2021.

Part: NONE — GOUGED (ZONE 400) · airframe 4,346 hrs · 2,860 cycles

GOUGE ON RH ENGINE UPPER FWD SIDE ENGINE BANANA MOUNT. REF. DQ32830 DATED DEC. 13, 2021.

Part: SKIN — CORRODED (HORIZONTAL STAB) · airframe 3,928 hrs · 2,596 cycles

CORROSION FOUND ON THE TRAILING EDGE OF LEFT HORIZONTAL STABLIZER UPPER & LOWER SURFACES. REPAIRED IAW AQRD ERO-105005 DATED 6/28/2021

Part: BRACE — CHAFED (MLG ACTUATOR) · airframe 3,515 hrs · 2,328 cycles

RH AND LH MLG ACTUATOR INBOARD ATTACH LUGS CHAFFED ON THE OPPOSITE SIDE OF THE WEAR PLATE. REFERENCE TEXTRON AVIATION ENGINEERING MEMO DQ28985M1 DATED 19/FEB/2021.

Part: MOTOR — DEFECTIVE (PAX DOOR) · airframe 3,246 hrs · 2,162 cycles

THE MAIN CABIN DOOR WILL ONLY PARTIALLY RAISE BEFORE DISENGAGING AND OPENING AGAIN. TRIED WITH BOTH THE INTERNAL AND EXTERNAL SWITCH WITH NO CHANGE. REMOVED AND REPLACED CABIN DOOR LIFT MOTOR. ALL CHECKS ARE GOOD AT THIS TIME, IAW CE680A AMM 52-15-05.

Part: MOTOR — DEFECTIVE (PAX DOOR) · airframe 3,223 hrs · 2,148 cycles

OPENED CABIN DOOR AND ON THE WAY DOWN A LOUD CRACK SOUNDED INTERNALLY. ATTEMPTED TO CLOSE THE DOOR AND THE DOOR ONLY MOVED UP TOWARDS CLOSED POSITION ABOUT TWO FEET THEN STOPS. TRIED TO DISENGAGE CLUTCH TO MANUALLY CLOSE DOOR IN ORDER TO MEL AND COULD NOT DISENGAGE CLUTCH. FOUND DOOR LIFT MOTOR HAD FAILED REMOVED ENTRY DOOR LIFT MOTOR PN GM50A-3 (ALT PN 9916173-2) SN 0122 DUE TO FAILURE AND INSTALLED PN GM50A-3 SN 0030 REPAIRED BY AMETEK, IAW CE680A MM CHAPTER 52-15-05 REV 11. OPERATIONAL COMPLETE.

Part: SKIN — CORRODED (HORIZONTAL STAB) · airframe 3,106 hrs · 2,065 cycles

REPAIR OF CORROSION ON RT UPPER STABILIZER SKIN. TEXTRON AVIATION ENGINEERING REPAIR LETTER DQ26909M1 RRL DATED 09/09/2020, RRL RT STABILIZER UPPER SKIN CORROSION.

Part: UPLOCK SWITCH — OUT OF ADJUST (NLG) · airframe 3,103 hrs · 2,062 cycles

DURING GEAR RETRACTION WE RECIEVED AMBER CAS "GEAR DISAGREE N". THE GEAR SYNOPTIC ON EICAS SHOWED MAIN GEAR UP, BUT NOSE GEAR HAD A SQUARE HASHED SYMBOL. CHECKLIST COMPLETED, 3 GREEN UPON GEAR EXTENSION. SIGN OFF. FOUND NLG UPLOCK SWITCH OUT OF ADJUSTMENT. ADJUSTED SWITCH AND PERFORMED 25 GEAR RETRACTION AND EXTENSION CYCLES WITH NO DEFECTS NOTED, REF CE680A AMM 32--00-00 AND 32-32-10.

Part: VENT — OUT OF RIG (PAX DOOR) · airframe 1,453 hrs · 998 cycles

PASSING THROUGH FL200 EXPERIENCED MOMENTARY SEVERE TURBULENCE FOLLOWED WITH AMBER CAS MESSAGES: CABIN DOOR OPEN AND CHECK DOORS. DECLARED EMERGENCY AND DESCENDED TO 9000 FT. ON THE GROUND RAN THE CHECKLIST AND THE CAS MESSAGES CLEARED. INTERROGATED CDMS, FOUND CABIN DOOR OPEN ALERT ID 1403 (VENT DOOR PROX SWITCH) AND CHECK DOORS ALERT ID 1433 (MISCOMPARE BETWEEN VENT DOOR AND PAWL SOLENOID) IN FAULT HISTORY REF MM 45-40-00 VISUALLY INSPECTED VENT DOOR TARGET, PROX SWITCH, WIRING, CONNECTOR, SPLICES, CABIN DOOR TO AIRFRAME HARNESS /CONNECTOR WITH NO DISCREPANCIES NOTED. FOUND VENT DOOR RIGGING OUT OF TOLERANCE, ADJUSTED SWITCH TO PROPER CLEARENCE, CLOSED DOOR AND MANIPULATED VENT DOOR WHILE OBSERVING FOR CAS MESSAGES, OPS CHECK GOOD NO DISCREPANCIES NOTED, REF MM 52-70-10

Part: SEQUENCE VALVE — MALFUNCTIONED (RT MLG) · airframe 8,814 hrs · 5,909 cycles

IMMEDIATELY AFTER TAKEOFF AND GEAR RETRACTION, THE RT GEAR IN TRANSIT LIGHT (RED LIGHT) REMAINED ILLUMINATED. PRIOR TO LOWERING GEAR REQUESTED (2) LOW FLIGHT PASSES WITH LIT TOWER FOR VISUAL VERIFICATION, TOWER ADVISED THE RIGHT MAIN GEAR DOOR WAS SLIGHTLY OPEN. LOWERED THE GEAR AND STBY INDICATORS INDICATED ALL GEAR DOWN AND LOCKED WITH NO RED LIGHTS. LANDED UNEVENTFULLY. ADJUSTED RT MLG REVERSING VALVE IAW HAWKER 1000 AMM 32-30-25. ADJUSTED RT MLG SIDE STAY IAW HAWKER 1000 AMM 32-10-10. PERFORMED 25 GEAR RETRACTIONS/EXTENSIONS IAW HAWKER 1000 AMM 32-10-10 & 32-30-25. OPS CHECK GOOD.