N169GL

Part: LANDING GEAR — FAULTED (ZONE 100) · airframe 40,337 hrs · 48,465 cycles

DURING FLINAL APPROACH, ALL THREE BUSS TIE ANNUCIATOR LIGHTS ILLUMINATED INDICATING A FAILURE OF THE CENTER BUS. I VERIFIED THE STATUS OF THE ELECTRICAL SYSTEM AND CONFIRMED NO VOLTAGE ON THE CENTER BUS. I REFERRED TO THE QRH DUE TO THE LOSS OF THE CENTER BUSS, THE GEAR WOULD NOT EXTEND NORMALLY. DECLARED AN EMERGENCY AND SUCCESSFULLY PUMPED THE GEAR DOWN MANUALLY. I GOT 3 GREEN BUT OPTED TO DO A LOW APPROACH TO HAVE THE TOWER VERIFY THE GEAR WAS DOWN. ENTERED THE TRAFFIC PATTERN AND LANDED UNEVENTFULLY. TAXIED TO PARKING TO OFFLOAD. I DEBRIEFED WITH ARFF AT SDF, COMPANY MOC. PILOT DID COMPLETE NORMAL SYSTEM CHECKS ON THE FIRST LEG TO LRD WITHOUT ANY ISSUES. THOSE CHECKS INCLUDED CHECKING THE BUS TIES AND BUS SENSE. ALL CHECKS WERE SATISFACTORY.

Part: ENGINE — LOW TORQUE (LEFT) · airframe 40,322 hrs · 48,460 cycles

AFTER DESCENDING AND LEVELING OFF LEFT ENGINE TORQUE NOT RISING PROPERLY AND INCORRECT ENGINE CONTROL / FEEL, PILOT NOTICED IMPROPER POWER OUT OF LEFT ENGINE AND DECLARED EMERGENCY DUE TO PARITIAL POWER ON LEFT ENGINE. PILOT WAS CLEARD TO LAND. LANDED SAFELY AND HOD NO OTHER ISSUES.

Part: RUDDER PEDAL — SHEARED (COCKPIT) · airframe 37,926 hrs · 46,798 cycles

PILOTS REPORTED THAT WHILE TAXING OFF THE RUNWAY, WHEN RIGHT RUDDER PRESSURE WAS APPLIED, THE CAPTAIN'S RIGHT RUDDER PEDAL ASSEMBLY SHEARED OFF, FLOPS LOOSE ON THE ASSEMBLY. R & R THE CAPTAIN'S RT RUDDER PEDAL AND ARM ASSEMBLY IAW MM 27-20-03-201. OPS CHECKED AND RIGGING CHECKED GOOD.

Part: UNKNOWN — MALFUNCTIONED (LANDING GEAR) · airframe 36,190 hrs · 44,936 cycles

PILOT REPORTED THAT DURING GEAR RETRACTION, LG HANDLE LIGHT REMAINED ON & LG HANDLE CB POPPED. WENT THROUGH CHECKLIST & MANUALLY EXTENDED GEAR, GOT THREE GREENS, LANDED UNEVENTFULLY. MAINTENANCE PERFORMED OPS CKS ON THE LANDING GEAR SYSTEM IAW MI 32.01, COULD NOT DUPLICATE ON THE GROUND AT THIS TIME, SYS OK FOR SERVICE.

Part: STRUCTURE — DAMAGED (ZONE 500) · airframe 35,185 hrs · 43,795 cycles

DURING A SCHEDULED INSPECTION, FOUND DAMAGE ON THE BOTTOM SIDE OF THE WING TIP, APPROXIMENTLY 3 INCHES FROM WING TIP, DAMAGE DOES NOT APPEAR TO PENATRATE HONEYCOMB. REPLACED THE LT WING TIP ASSY IAW 57-30-00. MAJOR REPAIR.

Part: FRAME — CRACKED (BS 177.35) · airframe 35,186 hrs · 43,795 cycles

DURING A SCHEDULED INSP FOUND A CRACK IN THE FUSELAGE FRAME DOUBLER AT BS 177.35 AND STRINGER 13L 1.2 INCHES FROM OTBD EDGE RADIATING INBD, CRACK IS IN THE FLANGE BEND RADIUS OF THE DOUBLER. REPAIRED IAW EO 13-1900-53-064. MAJOR REPAIR.

Part: FRAME — CRACKED (BS 177.35) · airframe 35,186 hrs · 43,795 cycles

DURING A SCHEDULED INSPECTION, FOUND A CRACK IN THE FUSELAGE FRAME AT BS 177.35 AND STRINGER 13L AT THE FRAME FLANGE BEND RADIUS 1.2 INCHES FROM THE OTBD EDGE RADIATING INBD. REPAIRED IAW EO 13-1900-53-065. MAJOR REPAIR.

Part: BULKHEAD — CHAFED (BS 258.25-273.25) · airframe 35,186 hrs · 43,795 cycles

DURING A SCHEDULED INSPECTION, FOUND A CHAFE IN THE LT WING TO FUSELAGE BULKHEAD AT STRINGER 12L BETWEEN BS 258.25 - 273.25, AREA OF BULKHEAD THAT MEETS AT BELLY SKIN EDGE. REPAIRED IAW EO 13-1900-53-066. MAJOR REPAIR.

Part: RIB — CRACKED (RT WING) · airframe 35,186 hrs · 43,795 cycles

DURING A SCHEDULED INSPECTION, MX NOTED THAT THE RT WING INBD RIB FLANGE AND DOUBLER WERE CRACKED. REPAIRED IAW EO 13-1900-57-016. MAJOR REPAIR.

Part: DOOR FRAME — CRACKED (BS 456) · airframe 35,186 hrs · 43,795 cycles

DURING A SCHEDULED INSPECTION, MX FOUND THE CARGO DOOR FWD FRAME AT FS 456 CRACKED AT THE UPPER INBD GAS STRUT MOUNT ATTACHING NUT PLATE. THE CRACKS RADIATE UPWARD AND INBD FROM THE NUT PLATE. REPAIRED IAW EO 13-1900-53-074. MAJOR REPAIR.

Part: SPAR CAP — CRACKED (VERTICAL STAB) · airframe 35,186 hrs · 43,795 cycles

DURING A SCHEDULED INSPECTION, MX FOUND THE RT FWD SPAR CAP ON THE VERTICAL STABILIZER CRACKED AT THE THIRD HOLE. THE CRACK IS APPROXIMATELY .1250" IN LENGTH. REPAIRED IAW EO 13-1900-55-021. MAJOR REPAIR.

Part: DOOR FRAME — CRACKED · airframe 35,186 hrs · 43,795 cycles

DURING A SCHEDULED INSPECTION, MX FOUND THAT THE AIRSTAIR DOOR LOWER AFT FRAME CORNER AREA AT APPROXIMATELY FS 172.35 WAS CRACKED, 1.2" IN THE OTBD UPPER BEND RADIUS. REPAIRED IAW EO 13-1900-53-061. MAJOR REPAIR.

Part: SPAR — CRACKED (HORIZONTAL STAB) · airframe 35,186 hrs · 43,795 cycles

DURING A SCHEDULED INSPECTION, MX FOUND THE AFT MIDDLE SPAR WEB ON THE HORIZONTAL STABILIZER CRACKED. REPAIRED IAW EO 13-1900-55-022. MAJOR REPAIR.

Part: FRAME — CRACKED (BS 164.415) · airframe 35,186 hrs · 43,795 cycles

DURING A SCHEDULED INSPECTION, MX FOUND THE RT SIDEWALL AT FS 164.415 & STRINGER 9AR, FRAME CUTOUT FOR STRINGER CRACKED .25". REPAIRED IAW EO 13-1900-53-063. MAJOR REPAIR.

Part: SPAR CAP — CRACKED (VERTICAL STAB) · airframe 35,186 hrs · 43,795 cycles

DURING A SCHEDULED INSPECTION, MX FOUND THE LT FWD SPAR CAP ON THE VERTICAL STABILIZER CRACKED AT THE SECOND HOLE. THE CRACK IS APPROXIMATELY .1250 INCHES IN LENGTH. REPAIRED IAW EO 13-1900-55-020. MAJOR REPAIR.

Part: KEELBEAM — BENT (NR 1 NACELLE) · airframe 35,185 hrs · 43,795 cycles

LT INBD KEEL WEB ASSY APPEARS BENT, FWD UPPER EDGE OF WEB ASSY APPEARS TO BE DEFLECTED OTBD APPROXIMATELY .125". LOCATION BL 91.75. REPAIRED IAW EO 13-1900-54-002.

Part: SKIN — DAMAGED (BS 468.25) · airframe 35,185 hrs · 43,795 cycles

DURING A SCHEDULED INSPECTION, FOUND BELLY SKIN AND FASTENER DAMAGED AT FS 468.25 BETWEEN STRINGERS 13 - 14L. REPAIRED IAW EO 13-1900-53-058.

Part: ACTUATOR — FAILED (LT MLG) · airframe 35,182 hrs · 43,792 cycles

PILOT REPORTED THAT WHEN SELECTING THE GEAR DOWN, HAD NO LT MAIN INDICATION AND GEAR IN TRANSIT LIGHT REMAINED ILLUMINATED, LANDING GEAR RELAY CIRCUIT BREAKER WAS TRIPPED, RAN CHECKLIST, MANUALLY PUMPED GEAR DOWN UNTILL HANDLE WAS FIRM, PROCEDED TO LAND, LT GEAR FAILED AT 80KTS, FLAPS SELECTED TO 35. R & R NOSE GEAR ACTUATOR IAW D1900MM 32-30-14 AND STEPS 6 AND 20. LEAK AND OPS CHECKED GOOD.

Part: WIRE — BROKEN (MLG) · airframe 33,632 hrs · 41,989 cycles

PILOT REPORTED THAT WHEN THE LANDING GEAR HANDLE WAS SELECTED TO THE UP POSITION, THE RT MAIN DID NOT FULLY RETRACT, LANDING CIRCUIT BREAKER TRIPPED AND HAD TO PUMP GEAR DOWN BEFORE LANDING. MX REPAIRED WIRE G10A22, OPS CK GOOD.

Part: LANDING GEAR — MALFUNCTIONED · airframe 32,879 hrs · 41,104 cycles

LANDING GEAR FAILED TO EXTEND NORMALY. LANDING GEAR LIGHTS DID NOT ILLUMINATE. MX INSPECTED ALL SYS WIRING AND REPLACED THE LANDING CONTROL HANDLE, PERFORMED SEVERAL GEAR SWINGS, OPS CHECKED GOOD.

Part: BULB — INOPERATIVE (EMERGENCY LIGHTS) · airframe 32,860 hrs · 41,084 cycles

EMERGENCY INSTRUMENT LIGHT ON F/O'S SIDE INOPERATIVE. MX REPLACED THE BULB, OPS CK GOOD.

Part: PRESSURE BLKHD — CRACKED (FUSELAEG) · airframe 32,636 hrs · 40,823 cycles

DURING A SCHEDULED ROUTINE INSPECTION, FOUND 4 CRACKS IN THE LT LWR FWD PRESSURE BULKHEAD AT THE INBD EDGE DOUBLER ROW OF FASTENERS, 1.1" IN LENGTH. REPAIRED IAW EO 12-1900-53-038. MAJOR REPAIR.

Part: DOWNLOCK SWITCH — FAILED (MLG)

PILOT REPORTED THAT THE LANDING GEAR INTRANSIT LIGHT ILLUMINATED IN FLIGHT WITH TORQUE AT 3000LB AND AIRSPEED 210KNOTS SLOWED TO 170 AND PUT GEAR DOWN NORMAL APPROPRIATED CHECKK LIST RAN FOR UNSAFE GEAR EVEN WITH ALL INDICATIONS OF GEAR DOWN EXCEPT FOR HANDLE LIGHT. MAINTENANCE R & R LT DOWNLOCK SWITCH, OPS CHECKED GOOD.

Part: ANNUNCIATOR — INOPERATIVE (MLG) · airframe 30,957 hrs · 38,811 cycles

PILOT REPORTED THAT THE LT AND RT LANDING GEAR INDICATION IS INTERMITTENT. MX REPLACED THE ANNUNCIATOR ASSY PN: 90-42291-2, GEAR SWING OPS CKS GOOD, NO DEFECTS NOTED.

Part: FUSE — OPEN (DOOR) · airframe 30,444 hrs · 38,245 cycles

PILOT REPORTED THAT THE AIR STAIR DOOR WAS INOP. MX REPLACED THE FUSE IN THE BATTERY BOX PNMDL5, IAW BMM 33-20-00, OPS CHECKED GOOD.

Part: CONNECTOR — CORRODED (DOOR ANNUNCIATOR) · airframe 30,444 hrs · 38,245 cycles

PILOT REPORTED THAT THE CABIN DOOR ANNUNCIATOR WAS INOPERATIVE. MX FOUND CORROSION ON THE WIRE PINS, REPLACED A401 P1, P2, P3, & P4, SP11 12,13,114,15, & 16 IAW BMM 20-13-00, OPS CK GOOD.

Part: BULB — INOPERATIVE (INSTRUMENT LIGHT) · airframe 29,960 hrs · 37,674 cycles

PILOT REPORTED THAT DURING THERE POST FLIGHT INSP THEY FOUND BOTH INSTRUMENT EMERGENCY LIGHTS ON THE CAPTAIN'S SIDE ARE OUT. MAINTENANCE INSPECTED THE SYSTEM AND REPLACED THE EMERGENCY LIGHTS BULBS, IAW BMM 33-10-04 PARAGRAPH 1, OPS CHECKED GOOD.

Part: INDICATOR — READS LOW (ENGINE TORQUE) · airframe 29,663 hrs · 37,332 cycles

RIGHT ENGINE TORQUE GAUGE WENT DOWN ON CLIMB OUT. ALL OTHER ENGINE INDICATIONS WERE NORMAL,NOTICED ON TAXI IN TORQUE GAUGE WAS BELOW ZERO. MAINTENANCE PERFORMED PARAMETER RUNUP OF LT & RT ENGINES. ALL CHECKS GOOD COULD NOT DUPLICATE DISCREPANCY.

Part: STRINGER — CRACKED (BS 451 S9R) · airframe 29,614 hrs · 37,278 cycles

MAJOR REPAIR - DURING A SCHEDULED ROUNTINE INSP, MX FOUND A CRACK IN THE STRINGER 9AR AT FS 451.0, .4" IN LENGTH. MAINTENANCE REPAIRED THE AFFECTED AREA AND PERFORMED ALL REQUIRED RII INSPECTIONS I.A.W. EO 11-1900-53-007. MATERIALS UTILIZED ARE INCLUDED IN THE ENGINEERING ORDER.

Part: FRAME — CRACKED (BS 280) · airframe 29,614 hrs · 37,278 cycles

MAJOR REPAIR - DURING A SCHEDULED ROUNTINE INSP, MX FOUND A CRACK IN THE FRAME AT FS 280.73 AT STRINGER 5R CUTOUT, .2" IN LENGTH. MAINTENANC PERFORMED ANOTHER INSPECTION ON THE AREA AND FOUND THE THE CRACK WAS A PEN MARK FROM ORIGINAL MANUFACTURE.

Part: FRAME — CRACKED (BS 456 S9R) · airframe 29,614 hrs · 37,278 cycles

MAJOR REPAIR - DURING A SCHEDULED ROUNTINE INSP, MX FOUND 2 CRACKS AT THE FRAME FS 456.0 RADIATING FROM STRINGER 9AR CUTOUT, UPPER CRACK .6" IN LENGTH, LOWER CRACK .35" IN LENGTH. MAINTENANCE REPAIRED THE AFFECTED AREA AND PERFORMED ALL REQUIRED RII INSPECTIONS I.A.W. EO 11-1900-53-006. MATERIALS UTILIZED ARE INCLUDED IN THE ENGINEERING ORDER.

Part: SKIN — DEBONDED (PAX DOOR) · airframe 29,614 hrs · 37,278 cycles

MAJOR REPAIR - DURING A SCHEDULED ROUNTINE INSP, MX FOUND THE AIRSTAIR DOOR LOWER INNER SKIN DEBONDED, AREA 16" X 6" FROM LOWER EDGE INWARD TO STOP HINGE. MAINTENANCE REPAIRED THE AFFECTED AREA AND PERFORMED ALL REQUIRED RII INSPECTIONS I.A.W. EO 11-1900-52-002. MATERIALS UTILIZED ARE INCLUDED IN THE ENGINEERING ORDER.

Part: ACTUATOR — MALFUNCTIONED (RT MLG) · airframe 28,284 hrs · 35,647 cycles

WHEN LANDING GEAR HANDLE WAS PLACED IN DOWN POSITION WE SAW 3 GREEN, HANDLE INTRANSIT LIGHTS, LG RELAY CB POPPED AND J HOOK CAME DOWN INT LOCKED POSITION OR LESS SIMULTANEOUSLY. MAINTENANCE TROUBLESHOT AND FOUND RIGHT LANDING GEAR ACTUATOR LAGGING UP AND DOWN, REPLACED RIGHT LANDING GEAR ACTUATOR IAW BMM 32-30-01, OPERATIONAL CHECKS GOOD, PN OFF 114-380041-15 SN OFF 05614 SN ON 081218029.

Part: HANDLE — DETERIORATED (MLG) · airframe 27,396 hrs · 34,594 cycles

LANDING GEAR WOULD NOT COME DOWN PERFORMED CHECKLIST AND HAND PUMPED THE GEAR ALL 3 GREEN ANNUNCIATORS ILLUMINATED. MX REMOVED AND REPLACED THE LANDING GEAR CONTROL HANDLE IAW MM 31-10-00-201, SECTION 5 AND THE OPERATIONAL CHECK WAS GOOD IAW MM 32-30-00.

Part: LANDING GEAR — INOPERATIVE · airframe 27,331 hrs · 34,512 cycles

LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF. MX JACKED THE ACFT AND PERFORMED A GEAR RETRACTION AND EXTENSION TEST IAW MM 32-30-00. THE OPS CHECK WAS GOOD ON THE GROUND. SUBSEQUENT OPS CHECK FLIGHT WAS UNSATISFACTORY. MX REMOVED AND REPLACED THE MLG SQUAT SWITCH, DOWNLOCK SWITCH, AND HARNESS ASSY IAW MM 32-60-05. RII INSP COMPLIED WITH IAW. TASKCARD 4.3.8. FOUND TO BE SATISFACTORY. OPS CHECK FLIGHT WAS PERFORMED AND WAS SATISFACTORY.

Part: AUTOFEATHER SYS — MALFUNCTIONED (RT PROPELLER) · airframe 27,261 hrs · 34,436 cycles

SUSPECTED AUTOFEATHER - PILOTS REPORTED THE RT PROP AUTOFEATHERED IN FLIGHT WHILE REDUCING TORQUE FROM 2500 LBS TO 500 LBS. TOR4QUE LEVELS WERE EVEN THROUGHOUT PWR REDUCTION. MX ADJUSTED THE FLIGHT IDLE TORQUES ON THE RT AND LT ENG IAW MM 76-10-00. OPS CHECKS OF THE AUTOFEATHER SYS WERE PERFORMED IAW MM 61-21-00. ALL CHECKS WERE GOOD. RII INSPECTIONS C/W IAW TASKCARD 4.3.13.

Part: ANGLE — CRACKED (BS 288) · airframe 27,001 hrs · 34,108 cycles

MAJOR REPAIR - DURING ROUTINE SHEDULED MAINTENANCE, A CRACK WAS FOUND ON THE LT HEAVY ANGLE AT FS 288. CRACK IS LOCATED AT THE BEND RADIUS APPROXIMATELY 1.6 IN LENGTH. REPAIRED CRACK IN LT HEAVY DOUBLER AT FS 288 IAW EO 09-1900-53-022. RII INSP COMPLIED IAW EO 09-1900-53-022. MATERIALS UTILIZED ARE LISTED ON THE EO.

Part: LANDING GEAR — MALFUNCTIONED · airframe 26,632 hrs · 33,654 cycles

AFTER TAKE OFF LANDING GEAR WOULD NOT RETRACT

Part: UPLOCK SWITCH — OUT OF ADJUST (LEFT) · airframe 26,632 hrs · 33,654 cycles

PILOTS REPORTED THAT THE MLG DID NOT RETRACT AFTER TAKEOFF AND IN TRANSIT LIGHTS DID NOT COME ON AND 3 GREEN STILL ANNUNCIATED. PILOTS CYCLED MLG HANDLE WITH THE SAME RESULT. PERFORMED A MANUAL MLG EXTENSION CHECK LIST AT THE DIRECTION OF MX CONTROL. MLG MOTOR COULD NOT BE HEARD. MX INSPECTED WIRE HARNESS FOR MLG FROM LT WING ENTRY INTO FUSELAGE AND TO FLOOR CIRCUIT BREAKER PANEL AND PRINTED CIRCUIT BOARDS. NO DISCREPANCIES WERE NOTED. MX RESECURED HARNESS AND ADJUSTED THE LT SQUAT SWITCH IAW MM 32-60-05. MX ALSO ADJUSTED LT UPLOCK SWITCH IAW MM 32-60-00. MX CYCLED MLG THROUGH EXTENSION AND RETRACTION IAW MM 32-30-00 OPERATIONAL CHECKS WERE GOOD.

Part: LANDING GEAR — MALFUNCTIONED · airframe 26,571 hrs · 33,576 cycles

AIR RETURN PILOTS REPORTED THAT THE LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF. MAINTENANCE JACKED AIRCRAFT ON RAMP AND PERFORMED 6 GEAR RETRACTION AND EXTENSION CYCLES WITH NO FAILURE. CHECKED SQUAT SWITCH CONNECTORS FOR SECURITY, FOUND OK. PERFORMED 1 MANUAL EXTENTION AND 2 MORE. REFERENCE MM 32-20-00 OPERATIONAL CHECKS WERE GOOD.

Part: LANDING GEAR — MALFUNCTIONED · airframe 26,571 hrs · 33,576 cycles

LANDING GEAR WOULD NOT RETRACT AFTER T/O.

Part: DOOR FRAME — CRACKED (BS 177) · airframe 23,956 hrs · 30,258 cycles

AIRSTAIR DOOR FRAME ANGLE CRACKED AT LOWER SNUBBER MOUNT NUTPLATES. MAINT INSTALLED INSERT AND REPAIR PIECE CUT FROM NEW ANGLE IAW. SRM 53-90-28 AND MFG NEW COVER PLATE. REPAIR AREA APPROXIMATELY 7.7500 INCH BY 8.7500 INCH. RII INSPECTION COMPLIED IAW TASKCARD 8.2.1.

Part: FRAME — CRACKED (BS 177) · airframe 23,956 hrs · 30,258 cycles

FRAME AT FS 177.35 CRACKED AT STRINER 9R RELIEF CUTOUT.** MAINT REPAIRED CRACK AT STRINGER RELIEFHOLE AT STRINGER 9R AND FS 177.35 IAW SRM 51-70. REPAIR APPROXIMATELY 3 INCHES BY 4 INCHES. 2024-T3 .071. RII INSPECTION COMPLIED IAW TASKCARD 8.2.1.

Part: SKIN — CRACKED (BS 290) · airframe 22,561 hrs · 28,511 cycles

BELLY SKIN CRACKED AT WING SPAR FS 290.5 AT BL 29.06 CRACK LENGTH APPROXIMATELY 1.250 INCHES. MAINTENANCE REPAIRED SKIN CRACK AT LT WING SPAR AREA FS 290 AND BL 29.06 IAW SRM 53-90. REPAIR DIMENSION 7 INCH BY 5.8 INCHES. 2024 T3, .040 INCH. RII INSPECTION COMPLIED IAW TASKCARD 8.2.1.

Part: SPAR — CRACKED (RT WING) · airframe 21,091 hrs · 26,717 cycles

RIGHT WING AT BL 114.25 AND F.S. 330 FOUND A .094 CRACK ON AFT SPAR, REPAIR PENDING.

Part: POWERPACK — MALFUNCTIONED (HYD SYSTEM) · airframe 18,512 hrs · 23,763 cycles

UPON APPROACH WHEN LANDING GEAR SELECTED DOWN, GEAR WOULD NOT EXTEND. FLIGHT CREW USED THE MANUAL GEAR DOWN HAND PUMP TO EXTEND GEAR SUCCESSFULLY AND LANDED. MAINTENANCE DISCOVERED HYDRAULIC POWER PACK CIRCUIT BREAKER WAS TRIPPED. RESET CIRCUIT BREAKER AND PERFORMED GEAR SWING AND COULD NOT DUPLICATE. AIRCRAFT RETURNED TO SERVICE.

Part: LINE — INOPERATIVE (HYDRAULIC SYS) · airframe 17,390 hrs · 22,596 cycles

LANDING GEAR WILL NOT EXTEND. MANUALLY EXTENDED, REMOVED AND REPLACED HYDRAULIC LINE, PN 101-388016-7.

Part: LINE — LEAKING (HYD SYSTEM) · airframe 17,390 hrs · 22,596 cycles

LANDING GEAR WILL NOT EXTEND, MANUALLY EXTENDED, FOUND BAD HYD LINE. REMOVED AND REPLACED, OPS CK GOOD.

Part: CONTROL CABLE — INOPERATIVE (ELEVATOR TRIM) · airframe 16,078 hrs · 21,179 cycles

EMERGENCY LANDING FOR LOSS OF ELEV TRIM CONTROL, R & R FWD ELEV TRIM TAB CABLE PN 114-524037-25.

Part: RELAY — FAILED (MLG) · airframe 14,976 hrs · 19,959 cycles

LANDING GEAR HAD TO BE MANUALLY EXTENDED. REPLACED K3 RELAY, OPS CHECK GOOD.

Part: LINK — STUCK (TE FLAP) · airframe 14,965 hrs · 19,949 cycles

FLAPS STUCK AT 17 DEG, R&R RT FLAP SAFETY LINK OPS CHECKED GOOD.

Part: DISPLAY — INOPERATIVE (EFIS) · airframe 14,965 hrs · 19,949 cycles

FO EHSI WENT BLANK, REMOVED AND REPLACED FO LOWER EFIS DISPLAY. OPS CHECKED GOOD.

Part: INVERTER — FAILED (AC BUSS) · airframe 14,670 hrs · 19,582 cycles

LT AC BUSS INOPERATIV, R&R LT INVERTER

Part: SWITCH — MALFUNCTIONED (PAX DOOR) · airframe 14,079 hrs · 18,796 cycles

CABIN DOOR ANNUNCIATOR ILLUMINATED ON TAKE OFF, CHANGED SWITCH OPS CHECK GOOD.

Part: MOTOR — FAILED (T/E FLAP) · airframe 13,141 hrs · 17,656 cycles

FLAPS STUCK AT 17 PERCENT.

Part: FLIGHT DIR — LOOSE (COCKPIT) · airframe 12,577 hrs · 16,981 cycles

FLIGHT DIRECTOR CAME LOOSE FROM PANEL. RESECURED, RETURNED TO SERVICE.

Part: PROPELLER — NOISY (LT & RT) · airframe 11,609 hrs · 15,860 cycles

PROPELLERS NOISY. INSPECTED AND CLEANED LOW PITCH SOLENOIDS, OPS CHECK SYSTEM SATISFACTORY.

Part: TRANSDUCER — FLUCTUATES (LT ENGINE) · airframe 11,485 hrs · 15,702 cycles

RIGHT ENGINE OIL PRESSURE FLUX. INSPECTED AND REPLACED PRESSURE TRANSDUCER.

Part: GENERATOR — INOPERATIVE (NR 2) · airframe 10,633 hrs · 14,610 cycles

RETURN TO BLOCK - RIGHT GEN FELL OFF LINE WOULD NOT RESET, R/R STARTER-GEN SYSTEM OPS CHECKED GOOD

Part: GYRO — INTERMITTENT (COCKPIT)

NR 1 DIRECTIONAL GYRO PRECESSES INTERMITTENTLY IN THE FREE AND SLAVED MODES. REMOVED AND REPLACED NR 1 DIRECTIONAL GYRO. COMP P/N DGS-65/622-6136-002.

Part: GYRO — INTERMITTENT (COCKPIT)

NR 1 DIRECTIONAL GYRO PRECESSES INTERMITTENTLY IN THE SLAVED MODE. REMOVED AND REPLACED NR 1 DIRECTIONAL GYRO. COMPONENT P/N DGS-65/622-6136-002.

Part: ACM — FAILED (RT WING)

SMELL OF SMOKE IN COCKPIT WITH ACM RUNNING. REPLACED ACM. (M)

Part: FILTER — STUCK (FUEL SYSTEM)

GRI - PLUNGER ON RIGHT AIRFRAME FUEL FILTER BOWL HOUSING STUCK. REPLACED FILTER AND BOWL ASSEMBLY. (M)

Part: RUDDER BOOST — ACTIVATED (EMPENNAGE)

RDU - UNSCHEDULED RUDDER BOOST ACTIVATION. MAINTENANCE COULD NOT DUPLICATE. (M)

Part: YAW SENSOR — MALFUNCTIONED (RUDDER)

RDU - TWO HARD UNCOMMANDED RUDDER TURNS WITH AUTOPILOT ENGAGED. TURNED OFF RUDDER BOOST. MAINTENANCE SECURED CANNON PLUG AT YAW RATE SENSOR. (M)

Part: GEAR BOX ASSY — FAILED (TE FLAPS)

RDU - AFTER TAKEOFF, FLAPS WOULD NOT RETRACT. MAINTENANCE MEL'D FLAPS AND THEN REMOVED AND REPLACED THE FLAP MOTOR GEAR BOX ASSY. (M)

Part: FIRE LOOP — FAILED (RT ENGINE)

RDU - CREWS MADE SEVERAL REPORTS OF RIGHT FIRE T-HANDLE ILLUMINATING IN-FLIGHT. MAINTENANCE CURED PROBLEM BY REPLACING BOTH RIGHT FIRE LOOPS. REFERENCE: OPERATOR CONTROL NR 96ZZZX1760. (X)

Part: FIRE LOOP — FAILED (RT ENGINE)

RDU - CREWS MADE SEVERAL REPORTS OF RIGHT FIRE T-HANDLE ILLUMINATING IN-FLIGHT. MAINTENANCE CURED PROBLEM BY REPLACING BOTH RIGHT FIRE LOOPS. REFERENCE: OPERATOR CONTROL GLBA96012.