N942ML

Part: SKIN — TORN (BS 937-950)

DTW - AT GATE, BAGGAGE CART DRIVER INTO RT AFT OF AIRCRAFT. PUNCTURE IN SIDE OF FUSELAGE JUST AFT OF BAGGAGE DOOR. PERFORMED FUSELAGE SKIN EXTERNAL RPAIR FROM FS 937 TO FS 950 BETWEEN L23R AND L26R IAW 08-98-53-012 FROM 8-28-98. DRAWING 53-98445-1 PAINTED AREA IAW DC-9 SRM 53-10-3. (M)

Part: POWER SUPPLY — INOPERATIVE (CABIN)

ON DAILY, FOUND FORWARD GALLEY AND COCKPIT OVERHEAD EMERGENCY LIGHTS INOPERATIVE. REMOVED AND REPLACED FORWARD GALLEY AND COCKPIT OVERHEAD EMERGENCY BATTERY POWER SUPPLY IAW DC0 MM 33-53-0. OPERATIONAL CHECK GOOD. (M)

Part: BATTERY PACK — DISCHARGED (CABIN)

COCKPIT EMERGENCY LIGHT (BOTH BULBS) WILL NOT TEST WHEN CABIN EMERGENCY LIGHT SWITCH PULLED IN ON POSITION. RESET BATTERY PACKS OPERATIONAL GOOD AIW MM 33-50. (M)

Part: BATTERY PACK — DISCHARGED (CABIN)

FOUND EMERGENCY LIGHT OVER OBSERVERS SEAT INOP. REMOVED AND REPLACED BATTERY PACK IAW MM 33-50, OPERATIONAL CHECK GOOD. (M)

Part: POWER UNIT — INOPERATIVE (CABIN)

DTW - THE UPPER EMERGENCY FLASHLIGHT IS OUT IN AFT CABIN. REPLACED POWER UNIT IN FLASHLIGHT IN AFT CABIN. (M)

Part: WIRE — CUT (CABIN)

DTW - EMERGENCY FLOOR TRACK LIGHTING IS OUT IN TAILCONE. FOUND WIRES CUT UNDER MOST AFT CABIN FLOOR TRACK LIGHTING. RE-ATTACH WIRES, OPS CHECK IAW DC-9 MM CH 20-50-1. (M)

Part: WIRE — BROKEN (CABIN)

BOS - FLT 1605 - EMERGENCY TRACK LIGHTS INOPERATIVE BY AISLE 16. REPAIRED WIRE AT SEAT 16. INSTALLED COVER. OPS CHECK OK IAW MM 33-00. (M)

Part: SLIDE COVER — LOOSE (PAX DOOR)

DTW - FLT 640 - SLIDE PACK COVER CAME LOOSE ON FORWARD CABIN ENTRY DOOR WHEN DOOR WAS OPENED IN DTW. REINSTALLED FWD LEFT EMERGENCY ESCAPE SLIDE IAW DC9MM 25-61-0. RII INSPECTION PERFORMED. (M)

Part: TIRES — OUT OF ROUND (NLG)

DTW - ABORTED TAKEOFF (70 KIAS), EXTREME VIBRATION AND NOISE POSSIBLE FROM NOSE WHEEL. FOUND BOTH NOSE TIRES OUT OF ROUND. REPLACED LEFT AND RIGHT NOSE WHEEL ASSEMBLIES IAW CH 32-40-2. TIRES SERVICED TO 140 PSI. PERFORMED REJECTED TAKEOFF INSPECTION IAW GMM USING FORM QC RT-01. NO DEFECTS NOTED. (M)

Part: LENS — MISSING (CABIN)

TPA - FLT 215 - RED TRACK LIGHT LENS MISSING AT ROW 1. REPLACED MISSING TRACK LENS AT ROW 1. LIGHT OPS OK. (M)

Part: LENS — MISSING (CABIN)

DTW - FLT 640 - LENS COVER MISSING FROM VERY FORWARD PART OF EMERGENCY FLOOR LIGHTING. RE-INSTALLED LENS COVER IAW DC-9 MM 33-50. (M)

Part: THROTTLE — STUCK (LEFT)

DTW - FLT 637 - ABORTED TAKEOFF, RETURNED TO GATE. ON TAKEOFF, LEFT THROTTLE LEVER STUCK THREE-FOURTHS OF THE WAY. TAKEOFF ABORTED AT DTW. INSPECTION REVEALED LOOSE HARDWARE ASSY AT NR 1 GEARBOX, SECURED AND SAFETIED LOOSE HARDWARE; ALSO, REPLACED POWER CONTROL CRANK AND ROD END AT CROSS SHAFT DUE TO SLIGHT WEAR. RIGGED LINKAGE AND PERFORMED ENGINE RUN IAW MM 71-00. NO TRIM REQUIRED. OPS CHECK SATISFACTORY. (X)

Part: LIGHT — LOOSE (CABIN)

DTW - FLT 640 - THE FORWARD SECTION OF THE EMERGENCY FLOOR LIGHTING NEEDS SECURED. RE-SECURED EMERGENCY FLOOR LIGHTING TRACK. OPS CHECK GOOD. (X)

Part: LENS — MISSING (CABIN)

DTW - FLT 428 - BOTH FORWARD AND AFT CABIN EMERGENCY EXITS STRIP LIGHTS BROKE. REPLACED MISSING LENS AND RE-SECURED LIGHTING STRIP. OPS CHECK NORMAL PER DC-9 MM 33-50-0. (X)

Part: PITCH CONTROL — MALFUNCTIONED (AUTO-PILOT)

ACY - FLT 181 - AUTO-PILOT CONTROL IS UNRELIABLE IN CLIMB, DESCENT, OR ALT HOLD MODES. WILL NOT HOLE ASSIGNED VERT SPEED AND STARTED A SUDDEN DESCENT WHEN IN ALT HOLD. DMI'D PER MEL 22-16-1-6. DMI NR 00460. PLACARD INSTALLED CAT 'C'. (M)

Part: TORQUE LINK — DAMAGED (LT MLG)

MYR - FLT 1703 - TOWER FLY BY FOR GEAR DOWN INDICATION. WITH GEAR HANDLE DOWN AMBER 'GEAR DOOR OPEN' LIGHT ILLUMINATES WITH HANDLE UP 'LEFT GEAR UNSAFE' LIGHT ILLUMINATES. FOLLOWED FLOM. REMOVED LEFT MLG DOOR. REPAIRED LEFT MLG DOOR IAW SRM CH 52. REINSTALLED LEFT MLG DOOR. REMOVED LEFT MLG TORQUE TUBE LINK. PERFORMED DYE PENETRANT INSPECTION OF TORQUE TUBE AT LINK ATTACH POINT. NO DEFECTS NOTED. REMOVED AND REPLACED LEFT TORQUE TUBE LINE ASSY. PERFORMED GEAR SWING. OPS CHECK GOOD IAW DC9 MM CH 32-30-0. (M)

Part: BOLT — LOOSE (CARGO DOOR)

DTW - FLT 174 - CHECK FORWARD CARGO DOOR, NWA RAMP CREW SAID IT WAS LOOSE. INSPECTED HINGE BRACKETS ON FORWARD CARGO DOOR. FOUND FORWARD HINGE SPRING BOLT LOOSE. ADJUSTED SAME IAW 52-30-0. DOOR OPS CHECK NORMAL. (M)

Part: ROLL COMPUTER — MALFUNCTIONED (AUTO-PILOT)

DTW - REPLACED ROLL COMPUTER FOR AUTO-PILOT TROUBLESHOOTING. REPLACE PITCH COMPUTER CANNON PLUG FOR AUTO-PILOT SYSTEM TROUBLESHOOTING. REF DMI NR 00196 AUTO-PILOT WILL NOT ENGAGE WITH ELEVATOR SERVO ON. REMOVED AND REPLACED AUTO-PILOT ROLL COMPUTER, AUTO-PILOT SYSTEM CHECKS GOOD PER MM 22-10-0 AND PITOT STATIC CHECK PER MM 34-10-0. REMOVED AND REPLACED PITCH COMPUTER RACK PLUG AUTO-PILOT SYSTEM CHECKS GOOD PER MM 22-10-0 AND PITOT STATIC CHECK PER MM 34-10-0. REPLACED PITCH AXIS COMPUTER. OPS CHECK GOOD IAW DC-9 MM 22-10-0 THIS CLEARS DMI NR 00196. PLACARDS REMOVED. (M)

Part: CONNECTOR — LOOSE (AUTO-PILOT)

DTW - REPLACED ROLL COMPTER FOR AUTO-PILOT TROUBLESHOOTING. REPLACE PITCH COMPUTER CANNON PLUG FOR AUTO-PILOT SYSTEM TROUBLESHOOTING. REF DMI NR 00196 AUTO-PILOT WILL NOT ENGAGE WITH ELEVATOR SERVO ON. REMOVED AND REPLACED AUTO-PILOT ROLL COMPUTER, AUTO-PILOT SYSTEM CHECKS GOOD PER MM 22-10-0 AND PITOT STATIC CHECK PER MM 34-10-0. REMOVED AND REPLACED PITCH COMPUTER RACK PLUG AUTO-PILOT SYSTEM CHECKS GOOD PER MM 22-10-0 AND PITOT STATIC CHECK PER MM 34-10-0. REPLACED PITCH AXIS COMPUTER. OPS CHECK GOOD IAW DC-9 MM 22-10-0 THIS CLEARS DMI NR 00196. PLACARDS REMOVED. (M)

Part: PITCH COMPUTER — MALAFUNCTIONED (AUTO-PILOT)

DTW - REPLACED ROLL COMPUTER FOR AUTO-PILOT TROUBLESHOOTING. REPLACE PITCH COMPUTER CANNON PLUG FOR AUTO-PILOT SYSTEM TROUBLESHOOTING. REF DMI NR 00196 AUTO-PILOT WILL NOT ENGAGE WITH ELEVATOR SERVO ON. REMOVED AND REPLACED AUTO-PILOT ROLL COMPUTER, AUTO-PILOT SYSTEM CHECKS GOOD PER MM 22-10-0 AND PITOT STATIC CHECK PER MM 34-10-0. REMOVED AND REPLACED PITCH COMPUTER RACK PLUG AUTO-PILOT SYSTEM CHECKS GOOD PER MM 22-10-0 AND PITOT STATIC CHECK PER MM 34-10-0. REPLACED PITCH AXIS COMPUTER. OPS CHECK GOOD IAW DC-9 MM 22-10-0 THIS CLEARS DMI NR 00196. PLACARDS REMOVED. REF GTIA9700159/GTIA9700166.

Part: WHEEL — SHIMMIES (NLG)

DTW - FLT 566 - NOSE WHEEL SHIMMIES DURING TAKEOFF. REMOVED AND REPLACED NR 2 NOSE WHEEL ASSY IAW DC-9 MM 32-42. OPS CHECK GOOD. (X)

Part: FUEL PROBE — LEAKING (NR 2)

MYR - AFTER FUELING IN MYR, FUEL STARTED LEAKING AT WING ROOT ON AIRCRAFT, LEFT. INSPECTED WING ROOT AND UPPER WING SURFACE, FOUND NR 2 FUEL PROBE LEAKING. REMOVED AND REPLACED DEFECTIVE O-RING PACKING. LEAK CHECK GOOD. (X)

Part: TRIM SWITCH — FAILED (HORIZ STABILIZER)

DTW - FLT 174 - AFTER LANDING, ALT TRIM RUNAWAY. RAN PRIMARY TRIM IN OPPOSITE DIRECTION AND RUNAWAY STOPPED. REMOVED AND REPLACED HORIZ STABILIZER ALT TRIM SWITCH IAW DC-9 MM 27-40-9, OPS CHECK GOOD. (M)

Part: AUTOPILOT — MALFUNCTIONED (E/E COMPT)

FLT 640 - DTW - AUTOPILOT VIOLENTLY PITCHES UP AND DOWN DURING CRUISE FLIGHT. AUTOPILOT CONTINUED TO AUTOMATICALLY DISCONNECT. BOTH PILOTS HAD TO OVERRIDE THE AUTOPILOT TO MAINTAIN ALTITUDE AND CONTROL. TRANSFERRED TO DMI NR 00151 MEL 22-1 CATEGORY 'C'. (M)

Part: MACH TRIM ACT — MALFUNCTIONED (E/E COMPARTMENT)

BUF - ACY - FLT 869 - AUTO-PILOT SEVERE PITCH UP DURING CRUISE. REMOVED AND REPLACED MACH TRIM ACTUATOR. OPS CHECK NORMAL IAW MM 22-20-1. AUTO-PILOT SYSTEM OPS CHECK NORMAL IAW MM 22-10, CLEARS DMI NR 0134, PLACARDS REMOVED. (M)

Part: PITCH COMPUTER — MALFUNCTIONED (AUTOPILOT)

DTW - FLT 512 - PASSNG 2800 FOR 2900 FEET ON AUTOPILOT A/C PITCHED UP VIOLENTLY THEN KICKED OFF. RE-ENGAGED OK FOR REST OF FLT. TRANSFERRED TO DMI NR 00089 MEL 22-1. PLACARD INSTALLED, CATEGORY C, ON LOG PAGE 026218 1/10/97. 1/19/97, LOG PAGE 026386, REMOVED AND REPLACED PITCH AXIS COMPUTER AND TEST IAW DC-9 MM CH 22-13-1. OPS CHECK GOOD. THIS CLEARS DMI 00089. PLACARD IS REMOVED. (M)

Part: AUTO PILOT — MALFUNCTIONED (E/E COMPT)

ACY - FLT 256 - DURING CLIMB CONFIGURATION THE AUTO PILOT DIS-ENGAGED EXPERIENCED A VERY BRISK PITCH DOWN CONDITION. MAINTENANCE COULD NOT DUPLICATE MALFUNCTION. RAN FULL SYSTEM SELF TEST, FOR HALF HOUR OPERATIONAL CHECKS GOOD IAW DC-9 MM, CHAPTER 22-10-01. AIRCRAFT RETURNED TO SERVICE. (M)

Part: WIRE — LOOSE (TAILCONE)

FLT 841 - ACY - DURING LANDING ROLL, TAILCONE WARNING LIGHT FLASHED ON AND OFF SEVERAL TIMES. MAINTENANCE FOUND AND SECURED LOOSE WIRE ON TAILCONE MICROSWITCH. OPERATIONAL CHECKED NORMAL IAW DC9 MM 53-5-3. (M)

Part: SWITCH — OUT OF ADJUST (TAIL CONE)

DTW - FLT 927 - TAIL CONE WARNING LIGHT FLICKERED ON LANDING ROLL. CHECKED SECURITY OF TAILCONE AND TAILCONE ATTACH HANDLES, ALL CHECKED NORMAL. FOUND TAIL CONE MICROSWITCH TO BE OUT OF ADJUSTMENT, ADJUSTED MICROSWITCH AND ACCOMPLISHED TAIL CONE DROP CHECK, SYSTEM CHECKED IAW DC0 MM CHAPTER 53-50. AIRCRAFT RETURNED TO SERVICE. (M)

Part: LIGHT — DAMAGED (CABIN)

DTW - FORWARD WHITE EMERGENCY FLOOR EVACUATION LIGHT CRUSHED. REPLACED BULB AND LENS. OPERATIONAL CHECKED NORMAL IAW MM 33-50-0. (M)

Part: WATER LINE — LOOSE (COFFEE MAKER)

COFFEE MAKER SMOKING AND SPARKS COMING OUT FROM BACK. FOUND DE-ACTIVATED WATER LINE SPARKING AGAINST TERMINAL END. RE-POSITIONED AND SECURED LINE. (M)

Part: FILTERS — DIRTY (HYD SYS)

ON APPROACH, NOSE GEAR DID NOT SHOW DOWN. EXTENDED NOSE GEAR WITH MANUAL EXTENSION LEVER, LANDING UNEVENTFUL. REMOVED AND REPLACED HYD SYSTEM FILTERS, FLUSHED SYSTEM, DID GEAR SWING (SEVERAL TIMES). NO DEFECTS NOTED. (M)

Part: BUNGEE CYLINDER — FAILED (NLG)

ON GEAR EXTENSION, NOSE GEAR WOULD NOT EXTEND, F-COM PROCEDURE FOLLOWED. REPLACED NOSE LANDING GEAR BUNGEE CYLINDER IAW DC-9MM 32-32-7. ACCOMPLISHED THREE GEAR SWINGS, GEAR OPERATED OK. NO LEAKS. (M)

Part: RETRACT MECH — MALFUNCTIONED (NLG)

NOSE GEAR WOULD NOT EXTEND FOR LANDING. RECYCLED, LOWERED NOSE GEAR WITH MANUAL EXTENSION NORMAL, OPERATION FROM THE EXT HANDLE WAS SECURED AND DOOR LIGHT WENT OUT. PERFORMED GEAR SWING ON NOSE IAW 32-30. NO DEFECTS NOTED. UNABLE TO DUPLICATE. (M)