N818AX

Part: WARNING LIGHT — ILLUMINATED (NLG) · airframe 75,486 hrs · 25,595 cycles

NOSE GEAR FAILED UPLATCH GEAR UNSAFE LIGHT ON WITH GEAR RETRACTED. FOUND NOSE GEAR PIN INSTALLED WHEN AIRCRAFT TAXIED IN. INSPECTED NOSE GEAR AND CABLES FOR SAFETY OF FLIGHT INSPECTION. NO DEFECTS FOUND. AIRCRAFT OK FOR FLIGHT.

Part: DRIVE UNIT — BROKEN (RT WING) · airframe 75,386 hrs · 25,516 cycles

ON LANDING ROLL, SPOILER HANDLE CAME BACK, SPOILERS DEPLOYED. BLUE SPOILER EXTEND LIGHT CAME ON, THEN WENT OUT. SPOILER EXTEND LIGHT TESTED, BUT LIGHT WOULD NOT COME ON WITH MANUAL SPOILER EXTENSION. FOUND GROUND SPOILER PULLEY BRACKET IN RIGHT WHEEL WELL AND CRANK ASSEMBLY BROKEN IN THE RIGHT WING OF AFT AREA OF GROUND SPOILER. REPLACED PULLEY BRACKET IN RIGHT WHEEL WELL AND CRANK ASSEMBLY NR 1 IN AFT WING AREA IAW DC-8 AMM 27-60-00 AND RE-RIGGED GROUND SPOILERS IAW DC-8 AMM 27-60-00-5-0101. OPS CHECKED GOOD.

Part: LANDING GEAR — CORRODED (RT MLG) · airframe 75,328 hrs · 25,464 cycles

RIGHT MAIN LANDING GEAR WAS CORRODED IN THE FORWARD ATTACH LUG. REPLACED THE RIGHT MAIN LANDING GEAR.

Part: LANDING GEAR — OUT OF ADJUST (NLG) · airframe 75,066 hrs · 25,248 cycles

NOSE LANDING GEAR FAILED UPLATCH CHECK AFTER TAKEOFF. RECYCLED THE LANDING GEAR AND TRIED AGAIN, IT ALSO FAILED ON THE SECOND ATTEMPT. BOTH TIMES IT SOUNDED LIKE THE NOSE GEAR CAME COMPLETELY OUT OF THE WHEEL WELL. PERFORMED ADJUSTMENT AND TEST OF THE NOSE LANDING GEAR IAW DC-8 AMM 32-20-00-5-0-001. OPS CHECKED GOOD.

Part: ASPIRATOR — LEAKING (HYD RESERVOIR) · airframe 74,852 hrs · 25,069 cycles

THERE WAS A SLOW HYDRAULIC LEAK DURING CLIMB AND CRUISE. LOST APPROXIMATELY 2 GALLONS IN 15 MINUTES. FOUND THE HYDRAULIC RESERVOIR ASPIRATOR LEAKING WHEN ENGINE WAS RUNNING. REPLACED THE ASPIRATOR IAW DC-8 MM 29-10-05-02-0001. RAN ENGINE, OPS AND LEAK CHECKED GOOD.

Part: O-RING — LEAKING (HYD RESERVOIR) · airframe 74,817 hrs · 25,043 cycles

GENERAL HYDRAULIC SYSTEM QUANTITY DECREASED FROM FULL TO JUST ABOVE STAND PIPE DURING INITIAL CLIMB. REPACKED O-RING AT RESTRICTOR VALVE GOING TO THE ASPIRATOR ON THE MAIN HYDRAULIC RESERVOIR. LEAK CHECKED GOOD. SERVICED HYDRAULIC SYSTEM.

Part: INTERCOSTAL — CRACKED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

AFT LOWER CARGO INTERCOSTAL CRACKED AT STA 1004, LONGERON 35 RIGHT. REMOVED AND REPLACED CRACKED INTERCOSTAL IAW DAC DWG 5779929, DC-8 SRM 51-1-8, AND 51-1-20D.

Part: FRAME — CRACKED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

AFT LOWER CARGO FRAME AT STA 1420, LONGERON 35 RIGHT WAS CRACKED ABOVE LONGERON 35 RIGHT. REMOVED AND REPLACED DAMAGED FRAME SECTION IAW DC-8 SRM.

Part: SPLICE — CRACKED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

LONGERON 31 LEFT SPLICE FITTING CRACKED AT STA 1270. REMOVED AND REPLACED SPLICE FITTING IAW DC-8 SRM.

Part: SKIN — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

FUSELAGE SKIN BULGING AT FASTENER, AT APPROXIMATELY FS 205, LONGERON 31 LEFT. REMOVED CORROSION. REPLACED FINGER DOUBLER AND REPAIRED AREA IAW DC-8 SRM 51-1-20D, 51-1-21, 53-2-0, 51-1-8, 51-1-11, AND REA D853-40861MR.

Part: FRAME — CRACKED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

AFT LOWER CARGO FRAME AT STA 1440, LONGERON 35 RIGHT WAS CRACKED ABOVE LONGERON 35 RIGHT. REPLACED REPAIR ANGLE IAW DC-8 SRM 53-2-0, 51-1-21, 51-1-20D, AND 51-1-8.

Part: BULKHEAD — CRACKED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

MAIN CABIN AFT PRESSURE BULKHEAD WAS CRACKED APPROXIMATELY 63 INCHES ABOVE THE FLOOR BETWEEN THE LEFT BUTT LINE 28 TO LEFT BUTT LINE 40. REPAIRED AREA IAW DAC DWG SRO 8530007, DC-8 SRM 51-1-8, 51-1-20D, 51-3-0, 51-3-1, AND 53-8-5.

Part: SHEAR TIE — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

AFT LOWER CARGO, FUSELAGE 1040, LONGERON 35 RIGHT - 36, SHEAR TIE CORRODED.

Part: FITTING — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

FORWARD LOWER CARGO FITTING CORRODED AT FUSELAGE 70 LONGERON 36.

Part: ANGLE — CRACKED (NR 4 PYLON) · airframe 74,767 hrs · 24,999 cycles

NR 4 PYLON INTERIOR INBOARD VERTICAL ANGLE STATION YN 298 UNDER UPPER SPAR WEB CRACKED.

Part: SKIN — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

AFT LOWER CARGO SKIN CORRODED AROUND SEVERAL FASTENERS FROM STATION FS 980 TO STATION FS 1040 BETWEEN LONGERON 35 LEFT AND LONGERON 35 RIGHT.

Part: SHEAR TIE — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

AFT LOWER CARGO SHEAR TIE CORRODED AT STATION FS 1020 BETWEEN LONGERON 35 RIGHT - LONGERON 36.

Part: LONGERON — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

AFT LOWER CARGO LONGERON 35 LEFT CORRODED AT STATION FS 1020.

Part: LONGERON — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

FS 1000 LONGERON 35 LEFT CORRODED ON INBOARD SIDE.

Part: SKIN — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

AFT CARGO AT FUSELAGE 1180 - 1220 AT LONGERON 29 LEFT SKIN WAS CORRODED UNDER AND BESIDE L-ANGLE.

Part: LONGERON — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

AFT LOWER CARGO LONGERON 36 CORRODED AT STATION FUSELAGE 1021.

Part: FITTING — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

AFT LOWER CARGO BATHTUB FITTING CORRODED AT FUSELAGE 1050 LONGERON 28 LEFT.

Part: ANGLE — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

FS 980 LONGERON 35 LEFT BULKHEAD ATTACH ANGLE WAS CORRODED.

Part: FRAME — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

AFT LOWER CARGO FRAME CORRODED AT STATION FS 1050 LONGERON 35 LEFT.

Part: FITTING — CRACKED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

AFT CARGO AT FUSELAGE 1180 BETWEEN LONGERON 27 LEFT - 28 LEFT Z-FITTING WAS CRACKED.

Part: FITTING — CORRODED (AFT CARGO) · airframe 74,767 hrs · 24,999 cycles

AFT CARGO AT FUSELAGE 1160 BETWEEN LONGERON 27 LEFT - 28 LEFT Z-FITTING WAS CORRODED.

Part: FRAME — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

AFT LOWER CARGO FRAME CORRODED AT FUSELAGE 1500 LONGERON 36.

Part: FRAME — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

MAIN CABIN BETWEEN STA 1180 TO 1160, FRAME 1180 AT LONGERON 4 LEFT WAS CORRODED. REMOVED CORROSION, ALODINED AND PRIMED IAW DC-8 SRM 51-1-8. CORROSION WITHIN LIMITS IAW DC-8 SRM 53-2-0.

Part: FITTING — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

AIR COND/PRESSURIZATION COMPARTMENT AT FS 70, LONGERON 29 LEFT, END FITTING WAS CORRODED.

Part: FITTING — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

AIR COND/PRESSURIZATION COMPARTMENT AT FS 70, LONGERON 31 LEFT, END FITTING WAS CORRODED.

Part: FRAME — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

MAIN CABIN BETWEEN STATION 1260 TO 1240 FRAME 1260 WAS CORRODED AT CUSP.

Part: FRAME — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

MAIN CABIN BETWEEN STATION 1360 TO 1347 FRAME AT STATION 1360 BETWEEN LONGERON 12 LEFT TO 5 A WAS CORRODED.

Part: LONGERON — CRACKED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

LONGERON 36 WAS CRACKED UNDER SPLICE FITTING AT STA 1350. RECEIVED LONGERON, DRILLED AND REAMED LONGERON IAW DC-8 SRM 51-3-2. INSTALLED IAW DC-8 SRM 51-1-20D.

Part: FRAME — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

AIR COND/PRESSURIZATION COMPARTMENT AT FS 24, LONGERON 35 LEFT AND 35 RIGHT, FRAME WAS CORRODED AROUND ATTACH FASTENER TO LONGERON.

Part: FITTING — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

AIR COND/PRESSURIZATION COMPARTMENT AT FS 70, LONGERON 34 LEFT, END FITTING WAS CORRODED.

Part: SPAR — CORRODED (HORIZ STAB) · airframe 74,767 hrs · 24,999 cycles

LEFT HORIZONTAL STABILIZER LEADING EDGE LOWER SPAR XE 114 WAS CORRODED INSIDE AROUND A RIVET BUCKTAIL.

Part: FRAME — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

MAIN CABIN BETWEEN STATION 1180 TO 1160 FRAME 1180 AT LONGERON 4 LEFT WAS CORRODED.

Part: FITTING — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

AIR COND/PRESSURIZATION COMPARTMENT AT FS 70, LONGERON 35 LEFT, END FITTING WAS CORRODED.

Part: LONGERON — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

MAIN CABIN BETWEEN STATION 1120 TO 1100 LONGERON 16 LEFT WAS CORRODED.

Part: SKIN — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

AIR COND/PRESSURIZATION COMPARTMENT AT FS 36 - 54, BETWEEN LONGERON 30 LEFT - 31 LEFT, WAS CORRODED FROM UNDER FINGER DOUBLER.

Part: FITTING — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

AIR COND/PRESSURIZATION COMPARTMENT AT FS 70, BETWEEN LONGERON 30 LEFT - 31 LEFT, PRODUCTION SPLICE FITTING WAS CORRODED.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

REMOVED AND REPLACED THE AFT LOWER SKIN, STATION 1350-1490. REPLACED THE AFT LOWER SKIN IAW DC-8 SRM 51-1-21, 51-3-2, 51-1-11, 51-1-26, 51-3-1, AND 51-3-3.

Part: SKIN — CORRODED (HORIZ STAB) · airframe 74,767 hrs · 24,999 cycles

RIGHT HORIZONTAL STABILIZER LOWER SKIN WAS CORRODED AND BULGED, XE 149. REPAIRED AREA AND REPLACED SKIN IAW TSRM 95T0345001, DC-8 SRM 51-1-8, 51-1-21, AND 51-1-20D.

Part: LONGERON — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

AFT FUSELAGE BETWEEN STATION 1680 TO 1667 LONGERON 22 LEFT WAS CORRODED.

Part: FRAME — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

AFT FUSELAGE AT STATION 1734 BETWEEN LONGERON 6 LEFT TO 7 LEFT FRAME WAS CORRODED.

Part: LONGERON — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

AFT FUSELAGE BETWEEN STATION 1717 TO 1700 LONGERON 20 LEFT WAS CORRODED.

Part: SHEAR TIE — CORRODED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

AFT CARGO AT STATION 1140 BETWEEN LONGERON 34 RIGHT AND 35 RIGHT, SHEAR TIE AND FRAME CORRODED.

Part: SHEAR TIE — CRACKED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

AFT CARGO AT STATION 1120 BETWEEN LONGERON 35 LEFT AND 36 LEFT, SHEAR TIE CRACKED.

Part: SKIN — CORRODED (VERTICAL STAB) · airframe 74,767 hrs · 24,999 cycles

CORROSION ON EXTERNAL SKIN OF THE VERTICAL STABILIZER, JUST ABOVE THE FUSELAGE TO VERTICAL ATTACHING ANGLE REPAIR DOUBLER. REPAIRED AREA AND INSTALLED NEW SKIN IAW DC-8 SRM 55-2-0, 51-1-21, 51-3-0, 51-1-22, 51-9-0, 51-1-26, 51-1-20D, 51-1-15, 51-1-16, AND DC-8 DWG 5773845.

Part: SPAR CAP — CORRODED (RT ELEVATOR) · corrosion level 2 · airframe 74,767 hrs · 24,999 cycles

RIGHT ELEVATOR UPPER SPAR CAP XE 65 WAS CORRODED BOTH SIDES OF THE RIB AND OUTER WEB.

Part: FITTING — CRACKED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

RIGHT WHEEL WELL LONGERON 24 BATHTUB FITTING HAD CRACK EXTENDING BEYOND ORIGINAL STOP DRILL. REPAIRED AREA IAW DC-8 SRM 53-2-2, AND 51-1-8.

Part: SPAR CAP — CORRODED (RT ELEVATOR) · corrosion level 2 · airframe 74,767 hrs · 24,999 cycles

RIGHT ELEVATOR UPPER SPAR CAP XE 95 WAS CORRODED BOTH SIDES OF RIB, INSIDE AREA.

Part: SKIN — CORRODED (TAIL CONE) · airframe 74,767 hrs · 24,999 cycles

TAILCONE HAD CORROSION AND DETERIORATING SEALANT JUST ABOVE THE LOWER TAILCONE LIGHT IN THE SEAM. REPAIRED AREA AND INSTALLED NEW SKIN IAW DC-8 SRM 51-1-8, 53-2-0, 51-1-21, 51-1-11, AND DC-8 DWG 5704665.

Part: FITTING — CRACKED (STA. 450) · airframe 74,767 hrs · 24,999 cycles

LONGERON SPLICE FITTING AT STATION 450, LONGERON 31 LEFT WAS CRACKED. REPLACED SPLICE FITTING IAW DAC DWG 3750257 AND DC-8 SRM 51-1-8.

Part: BULKHEAD — GOUGED (FUSELAGE) · airframe 74,767 hrs · 24,999 cycles

FORWARD RADOME BULKHEAD, FORWARD SIDE, LOWER 0600 POSITION, GOUGE IN WEB. REPAIRED AREA IAW DC-8 SRM 53-2-0, 51-1-21, 51-1-8, 51-1-20, AND DAC DWG 4644898.

Part: SPAR CAP — GOUGED (NR 4 PYLON) · airframe 74,767 hrs · 24,999 cycles

NR 4 PYLON INBOARD UPPER SPAR CAP GOUGED AT STATION YN 295. REPAIRED AREA IAW REA D854-40850-MR.

Part: SHAFT — DAMAGED (HORIZ STAB) · airframe 74,752 hrs · 24,990 cycles

THE LEFT HORIZONTAL STABILIZER SHAFT HARDNESS CHECKED LOW DURING TEST. MAINTENANCE COMPLETED ABX REA D855-41165 AND INITIATED A CARRY OVER ITEM DEFERRAL FOR TRACKING.

Part: ACTUATOR — OUT OF ADJ (RT MLG) · airframe 74,671 hrs · 24,915 cycles

AFTER TAKEOFF, THE CREW RECORDED A LANDING GEAR UNSAFE LIGHT WAS ILLUMINATED. THE GEAR AND DOOR LATCH SELECTOR INDICATED THAT THE RIGHT MAIN LANDING GEAR DOOR WAS NOT LATCHED. THE CREW RE-CYCLED THE LANDING GEAR. AFTER RE-CYCLE THE MAIN LANDING GEAR AND DOOR LATCHING SELECTOR INDICATED THE LEFT AND RIGHT MAIN LANDING GEAR DOORS AND THE RIGHT MAIN LANDING GEAR AS UNLATCHED. MAINTENANCE INSPECTED AND REPLACED THE RIGHT MAIN LANDING GEAR TRIM (BOGIE) CYLINDER ASSEMBLEY AND INSPECTED AND REPLACED THE RIGHT MAIN LANDING GEAR DOOR PROXIMITY SENSOR TARGET PADDLE. THE LEFT MAIN LANDING GEAR DOOR ACTUATOR WAS ADJUSTED AND THE DOOR ROLLER WAS ALIGNED WITH THE UPLATCH MECHANISM. OPERATIONAL CHECKS WERE COMPLETED.

Part: CHECK VALVE — FAILED (NLG WW) · airframe 74,058 hrs · 24,565 cycles

DURING CRUISE, EXPERIENCED RAPID COCKPIT PRESSURIZATION AT FL 320. CABIN PRESSURE WAS UNCONTROLLABLE AND WAS NEVER RECOVERED. PERFORMED EMERGENCY DESCENT. REPLACED REVERSE FLOW CHECK VALVE. OPS AND LEAK CHECKED GOOD.

Part: SPAR — CORRODED (WS 207-255)

RIGHT WING FORWARD SPAR HAD CORROSION DAMAGE FROM XFS 207 TO 255. REPAIRED IAW ABX REA D857-32981MR.

Part: FRAME — CRACKED (FUSELAGE)

FRAME WAS CRACKED AT NOSE LANDING GEAR DOOR ATTACH IN WEB. REPAIRED FRAME IAW ABX REA D853-32728MR.

Part: FRAME — CRACKED (BS 1040)

LOWER FRAME FLANGE OF FRAME STATION 1040 IS CRACKED JUST ABOVE LONGERON 36. REPAIRED IAW ABX REA D853-32996MR.

Part: VANE — DELAMINATED (RT TE FLAP)

DURING C-CHECK, FOUND RIGHT FLAP VANE DELAMINATED APPROXIMATELY 40 PERCENT. REPAIRED UNIT COMPLETE.

Part: DUCT — LOOSE (RT HEAT XCHANGER)

AIRCRAFT EXPERIENCED RAPID DECOMPRESSION. CABIN CLIMBED AT A RATE OF 2000 FPM WITH MANIFOLD PRESSURE IN EXCESS OF 35 PSI. THREE CTC'S WERE ON AT THE TIME. CABIN PRESSURE CONTROLLER LOCKED IN FULL INCREASE. OXYGEN WAS USED DUE TO LOSS OF CABIN PRESSURE. RESECURED DUCT FROM RIGHT HEAT EXCHANGER TO WARM AIR CHECK VALVE. CABIN PRESSURE CHECKED GOOD IAW DC8 MM 21-31-00.

Part: SEAT ASSY — FAILED (COCKPIT)

FLIGHT ENGINEER'S SEAT WOULD NOT HOLD IN VERTICAL POSITION. SEAT FELL SEVERAL TIMES DURING DIFFERENT PHASES OF FLIGHT. REPLACED FLIGHT ENGINEER'S SEAT ASSEMBLY.

Part: DOUBLER — CRACKED (WS 520.168)

RIGHT WING LEADING EDGE INTERNAL DOUBLER CRACKED. REPAIRED IAW ABX REA D857-21919MR.

Part: FITTING — CRACKED (LT WING)

ATTACH FITTING CRACKED OUTBOARD, AFT SIDE OF STRINGERS 10 AT XRS 74, LEFT WING. REPAIRED IAW ABX REA D828-21938MR.

Part: WEB — CRACKED (BS 270)

STA 270, LONGERON 33L TO LONGERON 34L WEBBING IS CRACKED UNDER Z-FITTING IN TORQUE BOX. REPAIRED IAW ABX REA D853-21920MR.

Part: SKIN — CORRODED (LT WING)

CORROSION ON LOWER SKIN AT LEFT WING LEADING EDGE, JUST INBOARD OF NR 2 STUB WING, AFT OF SLOT DOOR. REPAIRED IAW ABX REA D857-21927MR.

Part: RIB — CRACKED (WS 253)

CRACK AT LEADING EDGE RIB, NR 3 PYLON. REPAIRED IAW ABX REA D857-21918MR.

Part: SPAR CAP — CORRODED (WS 81)

LEFT WING UPPER SKIN FRONT SPAR CAP CORRODED. REPAIRED IAW ABX REA D857-21941MR.

Part: FRAME — CORRODED (BS 1000)

STA 1000 AT LONGERON 36 ATTACH AREA, FRAME FLANGE AND HARDWARE IS CORRODED. REPAIRED IAW ABX REA D853-21904MR.

Part: WINDOW ROLLER — DEFECTIVE (LT COCKPIT)

DURING PREFLIGHT INSPECTION, FOUND CAPTAIN'S SLIDING WINDOW (EMERG EXIT) HARD TO OPEN AND CLOSE. REPLACED AFT, LOWER ROLLER IAW DC8 MM, OPS CHECKED NORMAL.

Part: DOWNLOCK SWITCH — INTERMITTENT (LT MLG)

DURING THE BEFORE LANDING CHECK LIST, WHEN LANDING GEAR HANDLE WAS PLACED DOWN, THE LEFT LANDING GEAR LIGHT DID NOT ILLUMINATE. RECYCLED GEAR ONCE AND THE LEFT GEAR INDICATION ILLUMINATED. FOUND LEFT MAIN LANDING GEAR DOWN LOCK SWITCH INTERMITTENT. REPLACED LEFT MAIN LANDING GEAR DOWNLOCK SWITCH. OPS CHECKED GOOD IAW DC-8 SUPP MM 32-60-00.

Part: BATTERY — DISCHARGED (CABIN)

DURING PREFLIGHT, FOUND THE EMERGENCY LIGHTING INOPERATIVE. REPLACED THE EMERGENCY LIGHTING BATTERY AND RELAY UNIT. OPS CHECKED GOOD IAW DC-8 M.M. 33.50.

Part: INTERLOCK CABLE — OUT OF ADJUST (RT MLG DOOR)

RIGHT MAIN LANDING GEAR DOOR WOULD NOT SHOW LATCHED ON ARRIVAL AFTER RECYCLING GEAR UP TWICE. ADJUSTED RIGHT UPLATCH POSITION INTERLOCK CABLE IAW MAB DC-8-32-6, OPS CHECKED GOOD.

Part: SEAT MECH — LACK OF LUBE (RT COCKPIT)

FORE AND AFT LATCH ON FIRST OFFICER'S SEAT WILL NOT ENGAGE, SLIPS. CLEANED AND LUBRICATED FORE AND AFT HANDLE, CABLE AND TRACK SYSTEM, OPS CHECKED GOOD IAW DC8 MM 25-10-0.

Part: DOOR — OUT OF ADJUST (RT MLG)

AFTER LANDING GEAR WAS RETRACTED AND DURING THE UPLATCH CHECK, THE LANDING GEAR UNSAFE LIGHT ILLUMINATED AND THE RIGHT MAIN LANDING GEAR DOOR NOT LATCHED LIGHT ILLUMINATED. RECYCLED THE LANDING GEAR TWICE WITH NO CHANGE IN THE INDICATION. FOUND RIGHT MAIN LANDING GEAR DOOR OUT-OF-ADJUSTMENT. RIGGED THE RIGHT GEAR DOOR AND FOLLOW-UP MECHANISM PER DC8 MM, CHAPTER 32-31-5. OPS CHECK WAS GOOD.

Part: DOOR — OUT OF ADJUST (RT MLG)

ON GEAR RETRACTION, RED GEAR UNSAFE LIGHT REMAINED ILLUMINATED. ALSO, RIGHT GEAR DOOR UNLATCH LIGHT ILLUMINATED. RECYCLED GEAR AND HAD NO CHANGE. ADJUSTED DOOR LATCH ASSEMBLY TO OBTAIN PROPER CLEARANCE AND OPS CHECKED GOOD IAW DC-8 MM CHAPTER 32-31-4.

Part: ROLLER — OUT OF ADJUST (LT MLG DOOR)

WHILE PERFORMING A MISSED APPROACH, THE LEFT MLG DOOR INDICATED UNLOCKED. RECYCLED GEAR AND INDICATION WAS STILL UNLOCKED, DEFERRED IAW DC 8 MEL 32-14. FOUND LEFT MLG DOOR UPLATCH ROLLER TO BE OUT OF ADJUSTMENT. ADJUSTED AND TESTED DOOR IAW DC 8 MM CHAPTER 32. INDICATION OPS CHECKED GOOD.

Part: STOP — DEFECTIVE (NLG DOOR)

AFTER TAKEOFF FROM SMF, GEAR UPLATCH CHECK OK. AIRCRAFT HAD A VIBRATION WHICH SEEMED TO COME FROM THE NOSE. THE VIBRATION PROGRESSIVELY GOT WORSE, CYCLED GEAR SEVERAL TIMES AND LOUD POP WAS HEARD. VIBRATION AND NOISE WENT AWAY. DID FLY BY AT SMF AND GROUND REPORTED ALL GEAR DOORS IN PLACE. REPLACED LEFT AFT STOP LINK. RIGGED AND OPS CHECKED GOOD IAW DC-8 MM 32-22-1.

Part: LINK — DEFECTIVE (NLG DOOR)

AFTER TAKEOFF FROM SMF, GEAR UPLATCH CHECK OK. AIRCRAFT HAD A VIBRATION WHICH SEEMED TO COME FROM THE NOSE. THE VIBRATION PROGRESSIVELY GOT WORSE, CYCLED GEAR SEVERAL TIMES AND LOUD POP WAS HEARD. VIBRATION AND NOISE WENT AWAY, DID FLY BY AT SMF AND GROUND REPORTED ALL GEAR DOORS IN PLACE. REPLACED LEFT FORWARD NOSE LANDING GEAR DOOR LINK. RIGGED AND OPS CHECKED GOOD IAW DC-8 MM 32-22-1.

Part: RETRACT MECH — MALFUNCTIONED (NLG DOOR)

AFTER TAKEOFF, A LOUD NOISE WAS HEARD IN THE NOSE AREA. CREW SUSPECTED THE NOSE LANDING GEAR DOOR BEING LEFT OPEN. CYCLED GEAR, NO HELP. A/C RETURNED TO BOS. VERIFIED, FOUND THE LEFT NOSE GEAR DOOR OPEN, RETURNED NOSE GEAR DOOR TO THE UP AND LATCHED POSITION. INSPECTED GEAR, DOOR AND WHEELWELL AREA FOR DAMAGE IAW DC-8 MM CHAPTER 32. SYSTEM OPS CHECKED GOOD ON SUBSEQUENT FLIGHT TO ILN.