N676MC

Part: BATTERY — DISCHARGED (CABIN) · airframe 3,003 hrs · 2,604 cycles

MAINTENANCE FOUND FIRST CLASS EMERGENCY LIGHTING INOPERATIVE. MAINTENANCE REPLACED EMERGENCY LIGHT BATTERIES PER AMM. AIRCRAFT OK FOR SERVICE.

Part: FAN BLADE — BROKEN (NR 2 ENGINE) · airframe 72,880 hrs · 61,350 cycles

DURING TAKEOFF ROLL JUST ABOVE 80 KNOTS A LOUD BANG WAS HEARD FOLLOWED BY AIRCRAFT SHIMMY. FLIGHT CREW ABORTED TAKEOFF AND NOTICED ENGINE NR 2 VIBRATION. ENGINE NR 2 WAS SHUTDOWN. MAINTENANCE FOUND FAN BLADES DAMAGED AND 1 BLADE BROKEN OFF AT THE BLADE ROOT. THERE IS CASE DAMAGE HOLES/CRACKS, 1EA "CHIPPED" CABIN WINDOW AND RIGHT WING FLAPUPPER SURFACE DAMAGE. ENGINE NR 2 REPLACED. ALSO PASSENGER WINDOW AT ROW 23 ON RIGHT SIDE REPLACED AND RIGHT WING FLAP UPPER SURFACE REPAIRED.

Part: FUEL LINE — DISCONNECTED (LT WING) · airframe 72,627 hrs · 61,111 cycles

AIRCRAFT RETURNED TO ATL DUE TO UNCOMMANDED FUEL VENTING FROM LEFT WING TIP IN FLIGHT. FUEL VENTING STOPPED ONLY AFTER CENTER TANK WENT DRY. MAINTENANCE FOUND FUEL LINE AFT OF RIGHT AFT FUEL BOOST PUMP FITTING DISCONNECTED. RE-INSTALLED LINE AND SECURED FITTING. ALL TRANSFER CHECKS COMPLETED WITH NO LEAKS DISCOVERED. ALL CDCCLS COMPLIED WITH AND THE AIRCRAFT HAS RETURNED TO SERVICE.

Part: SKIN — CRACKED (FUSELAGE) · airframe 71,988 hrs · 60,558 cycles

MONITOR BLIND FASTENERS-AD-FAR FUSELAGE EXTERIOR FORWARD SERVICE DOOR JAMB AFT LOWER CORNER HAS NDT VERIFIED CRACK AT FASTENER. REPAIR PER 5330-01134-02D. CUT OUT DAMAGED AREA 2.35 INCH BY 1.2 INCH. NDT VERIFIED DAMAGE REMOVED IAW NDT SPM 06-10-01. FABRICATED AND INSTALLED FILLER, DOUBLER AND TRIPLER IAW DWG SR 09530172. BLIND FASTENERS INSTALLED TO BE REPLACED WITHIN 3,000 CYCLES OR 24 MONTHS IAW ERA 489320-14AD P-205 REQUIRED INSPECTION COMPLETED BY Q-948 490448.

Part: SKIN — CRACKED (FUSELAGE) · airframe 71,988 hrs · 60,558 cycles

DURING LCK IN DHN, AN 0.125 INCH LONG CRACK WAS FOUND IN THE FUSELAGE SKIN AT THE FWD CARGO DOOR JAMB CUTOUT, UPPER FORWARD CORNER. WORK PER ER/A 475544-14AD AS FOLLOWS: SECTION I - DURING LCKAT DHN - FEB 2011. SECTION II - WITHIN EVERY 3,000 CYCLES AFTER SECTION I SECTION III - ON OR BEFORE 8,000 CYCLES AFTER SECTION I.

Part: SKIN — CRACKED (FUSELAGE) · airframe 71,988 hrs · 60,558 cycles

DURING LCK AT DHN, A 0.25 INCH CRACK WAS FOUND IN THE FUSELAGE SKIN AT FORWARD SERVICE DOOR JAMB CUTOUT, AFT LOWER CORNER. DFRD STA ATL 22FEB11 ATA 5331. WORK PER ER/A 489370-14AD AS FOLLOWS: SECTION I. DURING LCK AT DHN -FEB 2011, SECTION I - ON OR BEFORE 3,000 CYCLES OR 24 MOS AFTER SECTION I.

Part: ANGLE — CRACKED (LT PYLON) · airframe 71,988 hrs · 60,558 cycles

MONITOR BLIND FASTENER-LEFT ENGINE PYLON STA 1151 UPPER PYLON TO FUSELAGE ANGLE CRACKED APPROX 1 INCH CUT OUT DAMAGED AREA 2.5 INCH BY 1 INCH. NDT VERIFIED DAMAGE REMOVED IAW NDT SPM 06-10-01. FABBED AND INSTALLED 1 FILLER AND SPLICES. HEAT TREATED TO STA 1325 ON TRAVELER 2475N00382 IAW DC9 SRM 54-04 FIG10. BLIND FASTENERS TO BE REPLACED WITH SOLID FASTENERS PRIOR TO 8000 CYCLES IAW DWG SG09030001 P-205 REQUIRED INSPECTION COMPLETED BY Q-948 490448.

Part: CHANNEL — CRACKED (NLG WW) · airframe 71,988 hrs · 60,558 cycles

NOSE LANDING GEAR STA 106 LEFT LONG 28 CHANNEL CRACKED ON OTBD END APPROX 1/2 INCH. REMOVED ANGLE IAW DC-9 SRM 51-30-2 AND 51-30-5. LOCATED, DRILLED AND INSTALLED NEW ANGLE IAW DC-9 SRM 51-10-4, 51-30-2 AND 51-30-5. BLIND FASTENERS INSTALLED IN ANGLE TO BE VISUALLY INSPECTED AT L-CK INTERVALS IAW DC9 SRM51-60-0 PAGE 31 P-205. REQUIRED INSPECTION COMPLETED.

Part: CHANNEL — CRACKED (LT MLG DOOR) · airframe 71,988 hrs · 60,558 cycles

LT MLG W/W DOOR INTERIOR SIDE FWD ZEE CHANNEL IS CRACKED AT INBOARD END. REMOVED CHANNEL IAW DC-9 SRM 51-30-2,51-30-5 AND 51-30-6. LOCATED DRILLED AND INSTALLED NEW CHANNEL IAW DC9 SRM 51-10-4, 51-30-2, 51-30-5 AND 51-30-6, P-205 Q-948 490448. REQUIRED INSPECTION COMPLETED BY Q-968 280012.

Part: SHEAR TIE — CRACKED (FUSELAGE) · airframe 71,988 hrs · 60,558 cycles

STA 1190 L14R SHEAR TIE CLIP CRACKED. REMOVED CRACKED SHEAR TIE CLIP IAW DC9 SRM 51-30-5. RECEIVED MATERIAL FOR NEW CLIP. FABRICATED NEW CLIP IAW DC9 SRM 51-10-2, 51-10-4 DWG 9958239. INSTALLED CLIP IAW DC9 SRM 51-30-5. REQUIRED INSPECTION COMPLETED BY Q-948 490448.

Part: SHEAR TIE — CRACKED (FUSELAGE) · airframe 71,988 hrs · 60,558 cycles

AFT ACCESSORY COMPARTMENT-UPON REMOVAL OF CRACKED CLIP UNDERNEATH FOUND SHEAR TIE CRACKED AT LONG 14R FRAME STA 1190. REMOVED CRACKED/DAMAGED SHEAR TIE IAW DC9 SRM 51-30-2,51-30-5. RECEIVED NEW SHEAR TIE LOCATED AND DRILLED NEW SHEAR TIE IAW DC9 SRM 51-10-4. INSTALLED SHEAR TIE IAW DC9 SRM 51-30-5.S. ARMSTRONG AP 3523256 17 FEB 11 REQUIRED INSPECTION COMPLETED BY Q-948 490448.

Part: FRAME — CRACKED (FUSELAGE) · airframe 71,988 hrs · 60,558 cycles

FUSELAGE EXTERIOR AT CANTED FRAME STA 1292 BETWEEN L14L AND L15L SKIN CRACKED. REMOVED EXISTING DOUBLER IAW SRM 51-30-2. REMOVED CRACKED SKIN BY EXTENDING EXISTING CUT OUT IAW SRM 53-04 FIG 12B. HFEC INSPECTION IAW NDTSPM 06-10-01. NO CRACK INDICATIONS. FABRICATED NEW DOUBLER INSTALLED REPAIR IAW SRM53-04 FIG 12B. REPETITIVE INSPECTED EVERY 6000 LANDINGS PER SRM 53-04 FIG 12B P102 18 FEB 11 REQUIRED INSPECTION COMPLETED Q968/280012 17 FEB 11.

Part: ANGLE — CRACKED (LT PYLON) · airframe 71,988 hrs · 60,558 cycles

LEFT ENGINE PYLON STA 1116 UPPER PYLON TO FUSELAGE ANGLE CRACKED APPROX 2 INCHES. REMOVED CRACKED ANGLE AND EXISTING SPLICES IAW DC-9 SRM 51-30-2 AND 51-30-5. FABRICATED NEW ANGLE IAW DC-9 SRM 54-10-0 FIG 1 HEAT TREATED ON PEMCO TRAVELER 2478N00306. INSTALLED REPAIR PARTS IAW DC-9 SRM 51-30-5 AND 51-30-8.AND DWG SG09530001. REPLACEMENT OF BLIND FASTENERS REQUIRED PRIOR TO 8000 CYCLES IAW DWG SG09530001 P102 19 FEB 11. REQUIRED INSPECTION COMPLETED Q968/280012 19FEB 11.

Part: SKIN — CRACKED (FUSELAGE) · airframe 71,988 hrs · 60,558 cycles

FORWARD CARGO DOORJAMB, FORWARD UPPER CORNER HAS APPROX 1/8 INCH CRACK AT FASTENER. CUTOUT DAMAGED SECTION OF SKIN IAW DRAWING SR09530117. HFEC INSPECTED CUTOUT IAW DC9 NDTSPM 06-10-01.001, NO FURTHER CRACKING NOTED. FABRICATED DRILLED, AND INSTALLED REPAIR PARTS IAW DRAWING SR09530117 AND ER/A 475544-14. REPETITIVE INSPECTIONS REQUIRED EVERY 3000 CYCLES, PERMANENT REPAIR AT 8000 CYCLES PER ER/A 475544-14 P102 22 FEB 11. REQUIRED INSPECTION COMPLETED Q985/284649 22 FEB 11.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 70,813 hrs · 59,544 cycles

DURING LINE CHECK MAINTENANCE FOUND FIRST CLASS EMERGENCY LIGHTS INOP. MAINTENANCE REPLACED BATTERY PACK AT R1 EMERGENCY EXIT SIGN. OPERATIONAL CHECK OF LIGHTS NOW CHECK GOOD PER AMM 33-53-00.

Part: POWER SUPPLY — INOPERATIVE (CABIN) · airframe 70,813 hrs · 59,544 cycles

DURING LINE CHECK MAINTENANCE FOUND L1 & R1 EMERGENCY DOOR LIGHTS INOP. MAINTENANCE REPLACED POWER SUPPLY AT L1 DOOR. OPERATIONAL CHECK OF LIGHTS NOW CHECK GOOD.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 70,592 hrs · 59,353 cycles

DURING LINE CHECK, MX FOUND EMERGENCY LIGHTS INOP IN ROW 5-8, 19-22, AND 23-26 INOP. MX REPLACED BATTERY PACKS FOR ROWS 19-22 AND USED SPARE BATTERIES FOR ROWS 5-8 AND 23-26. OPS CHECK OF LIGHTS NOW ALL CHECK GOOD.

Part: STUD — FAILED (EMERGENCY LIGHT) · airframe 69,777 hrs · 58,662 cycles

DURING PREFLIGHT CHECK, THE PILOT FOUND THAT THE EXTERIOR EMERGENCY LIGHT WAS INOPERATIVE. MAINTENANCE REPLACED THE FAILED STUD AND HARDWARE IN THE EXTERIOR EMERGENCY FLOOD LIGHT ASSEMBLY AND FUNCTIONALLY CHECKED IT IAW AMM 33-44-00.

Part: RIB — CRACKED (RT WING) · airframe 68,949 hrs · 57,948 cycles

DURING "M" CHECK FOUND CRACK IN RT WING LEADING EDGE RIB FASTENER HOLE AT STA XCW 124. REPAIRED PER EA 98-215902.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 67,850 hrs · 56,990 cycles

DURING LINE CHECK MX FOUND THAT THE EMERGENCY PATHWAY LIGHTING FOR THE CATWALK IN THE TAIL COMPARTMENT WAS INOPERATIVE OR TOO DIM TO BE FUNCTIONAL. MX CHARGED THE BATTERY PACK AND THE LIGHTS RETURNED TO AN OP CONDITION.

Part: O-RING — LEAKING (APU FUEL SYS) · airframe 67,923 hrs · 57,055 cycles

SHORTLY AFTER TAKEOFF FLIGHT ATTENDANT REPORTED STRONG FUEL ODOR IN CABIN. A SLIGHT FUEL ODOR WAS NOTICED IN THE COCKPIT. FLIGHT CREW LANDED AT DESTINATION. MX NOTICED APU INTAKE PLENUM WET WITH FUEL AND ALSO A FUEL LEAK AT THE APU FUEL HEATER. THE APU AND AN O-RING ON THE APU FUEL HEATER WERE REPLACED. PACK BURNOUT AND COALESCER BAG REPLACEMENT COMPLIED WITH.

Part: SKIN — CRACKED (BS 1266) · airframe 67,108 hrs · 56,293 cycles

DURING LINE CHECK FOUND CRACK IN FUSELAGE SKIN AT BS 1266 LT BELOW VERTICAL STABILIZER ATTACH ANGLE. REPAIRED PER EA 98-213119. (A)

Part: ATTACH ANGLE — CRACKED (BS 1266) · airframe 67,108 hrs · 56,293 cycles

DURING LINE CHECK FOUND CRACK IN THE RT DORSAL FIN ATTACH ANGLE AT BS 1266. REPAIRED PER EA 98-213301. (A)

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 66,423 hrs · 55,681 cycles

DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY EXIT LIGHTS FOR THE TAIL COMPARTMENT WERE INOPERATIVE. BOTH LEFT AND RIGHT LAMPS WERE CHANGED BUT DID NOT CORRECT THE FAULT. MAINTENANCE THEN REPLACED THE BATTERIES AND THE SYSTEM OPERATIONALLY CHECKED FUNCTIONAL. THE AIRCRAFT RETURNED TO SERVICE.

Part: LINE — LEAKING (NR 3 BRAKE) · airframe 63,291 hrs · 52,890 cycles

WHILE EN ROUTE TO DESTINATION, THE CREW RECEIVED INDICATIONS THAT ALL OF THE HYDRAULIC FLUID IN THE RIGHT HAND SYSTEM HAD BEEN LOST. COM PROCEDURES WERE COMPLIED WITH AND THE FLIGHT CONTINUED TO AN UNEVENTFUL LANDING AT GRR. THE AIRCRAFT CAME TO A FULL STOP ON THE RUNWAY WITHOUT FURTHER INCIDENCE AND WAS TOWED TO THE GATE. MAINTENANCE FOUND THE NR 3 FORWARD BRAKE LINE LEAKING AND REPLACED THE LINE. AFTER RESERVICING AND BLEEDING THE HYDRAULIC SYSTEM THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: ROD END — FAILED (LT ACTUATOR) · airframe 62,637 hrs · 52,321 cycles

WHEN THE LEADING EDGE SLATS WERE SELECTED FOR EXTENSION DURING APPROACH, THE AIRCRAFT ROLLED TO THE RIGHT. CREW NOTED THAT THE BLUE -SLAT EXTEND- LIGHT DID NOT ILLUMINATE AND THE AMBER -SLAT DISAGREEMENT- LIGHT WAS ILLUMINATED. AFTER APPROXIMATELY 90 SECONDS THE SLAT INDICATIONS WENT TO NORMAL AND AIRCRAFT CONTROLLABILITY RETURNED TO NORMAL. MAINTENANCE FOUND THE LEFT SLAT ACTUATOR ROD END WAS BROKEN. REPLACED THE ROD END, FUNCTIONALLY CHECKED SLAT OPERATION SEVERAL TIMES, AND RETURNED THE AIRCRAFT TO SERVICE.

Part: DUCT — LOOSE (RT WING LE) · airframe 62,625 hrs · 52,312 cycles

WHEN THE LEADING EDGE SLATS WERE SELECTED FOR EXTENSION DURING APPROACH, THE AIRCRAFT ABRUPTLY ROLLED TO THE RIGHT AND THE -SLAT DISAGREE- LIGHT MOMENTARILY ILLUMINATED. MAINTENANCE FOUND THE SLATS ON THE RIGHT HAND WING TO BE BINDING AND OPERATING SLOWER THAN THE LEFT SIDE, DUE TO EXCESS T-DUCT SIDE PLAY. REPLACED THE RIGHT HAND T-DUCT, FUNCTIONALLY CHECKED IT, AND RETURNED THE AIRCRAFT TO SERVICE.

Part: PACKING — LEAKING (HYD SYSTEM) · airframe 61,667 hrs · 51,438 cycles

WHILE INBOUND FOR LANDING AT MYR, THE LEFT HYDRAULIC SYSTEM FLUID QUANTITY WENT TO ZERO AND THE PRESSURE DROPPED. COM PROCEDURES WERE COMPLIED WITH AND THE RIGHT HYDRAULIC SYSTEM FUNCTIONED NORMALLY. NO EMERGENCY DECLARED AND THE AIRCRAFT LANDED WITHOUT INCIDENT AT MYR. CONTRACT MAINTENANCE CONFIRMED THE LOSS OF HYDRAULIC FLUID AND FOUND A FAILED PACKING ON THE LEFT THRUST REVERSER CONTROL VALVE AS THE CAUSE FOR THE LEAK. NWA TECHNICIANS SENT FROM ORD FOR REPAIR. AIRCRAFT HAS RETURNED TO SERVICE.

Part: O-RING — WORN (THRUST REVERSER) · airframe 61,383 hrs · 51,178 cycles

DURING APPROACH FOR LANDING AT DTW, THE CREW NOTICED THAT THE LEFT HYDRAULIC SYSTEM FLUID DROPPED TO ZERO QUANTITY INDICATION. COMPLIED WITH COM PROCEDURES AND THE AIRCRAFT LANDED WITHOUT INCIDENT. DTW MAINTENANCE FOUND THE LEFT HYDRAULIC SYSTEM WAS COMPLETELY DRAINED BY A LEAKING SEAL ON THE CHECK VALVE AT THE BOTTOM OF THE THRUST REVERSER. THE O-RING WAS REPLACED, THE SYSTEM WAS RESERVICED, AND THE AIRCRAFT RETURNED TO SERVICE.

Part: ENGINE — MALFUNCTIONED (NR 1) · airframe 60,326 hrs · 50,199 cycles

CLIMBING THROUGH 8000 FEET, MASTER CAUTION ILLUMINATED. ENGINE NR 1 OIL QUANTITY WAS ZERO AND OIL PRESSURE LIGHT WAS ILLUMINATED. ENGINE NR 1 WAS SHUTDOWN. FLIGHT CREW RETURNED AIRCRAFT TO DEPARTURE AIRPORT PERFORMING AN UNEVENTFUL LANDING. MAINTENANCE REPLACED NR 1 ENGINE.

Part: STABILIZER — CRACKED · airframe 17,107 hrs · 13,154 cycles

Duting Hck in ATL, a .25" crack was found in the upper plate of the horizontal stabilizer center section. Repaired per EA 98-190787.

Part: SWITCH (PACK DUCTING) · airframe 59,259 hrs · 49,263 cycles

WHILE CRUISING AT ALTITUDE, CREW AND PASSENGERS NOTICED A VERY STRONG RUBBER SMELL IN THE CABIN AND COCKPIT. ALSO, THERE WAS EXCESSIVE HEAT COMING FROM OVERHEAD AREA. DISSIPATED DURING DESCENT AT ABOUT 11,000 FEET. FLIGHT DIVERTED TO GRR. MAINTENANCE PERFORMED THERMO SWITCH SHUTDOWN CHECKS. CHECKS WERE GOOD. REPLACED THE WATER SEPARATOR BAGS AND DID PACK OIL PURGE RUN. FOUND PACK TEMP CONTROL VERY SENSITIVE AND REPLACED IT AFTER ONE DAY MEL. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY PACK — INOPERATIVE (CABIN) · airframe 55,666 hrs · 46,001 cycles

DURING LINE CHECK, FOUND EMERGENCY LIGHT IN AFT CEILING AND TAIL CONE RELEASE HANDLE INOPERATIVE. MAINTENANCE REPLACED THE BATTERY PACK. OPERATIONAL CHECK NORMAL.

Part: BULKHEAD — CRACKED (LT PYLON) · airframe 55,497 hrs · 45,848 cycles

TAIL INTERIOR- CRACKED LIGHTENING HOLE IN WEB OF LEFT PYLON BULKHEAD AT STA 1209 BETWEEN L11 AND L14. CUT OUT DAMAGED WEB, DRILLED REPLACEMENT WEB FABRICATED DOUBLER PER EA 98-177275 AND SRM 51-30-2.

Part: WARNING LIGHT — ILLUMINATED (COCKPIT) · airframe 54,711 hrs · 45,171 cycles

THE LEFT ENGINE REVERSER UNLOCK LIGHT INDICATION ILLUMINATED DURING TAKEOFF. TAKEOFF WAS ABORTED AT 101 KNOTS. AIRCRAFT RETURNED TO THE GATE WITHOUT INCIDENT. MAINTENANCE PLACED THE LEFT ENGINE REVERSER ON MEL 78-1 AND COMPLIED WITH DISPATCH DEVIATION GUIDE. INSTALLED PLACARD NR 701524.

Part: BATTERY — DISCHARGED (CABIN)

DURING LINE CHECK, FOUND EMERGENCY LIGHTING IN FIRST CLASS SECTION INOPERATIVE. MAINTENANCE REPLACED BATTERIES IN EMERGENCY LIGHT POWER SUPPLY, OPERATIONAL CHECK NORMAL.

Part: WINDSHIELD — CRACKED (LT COCKPIT)

DURING CLIMB THROUGH FL250, 280 KIAS, CAPTAIN'S WINDSHIELD OUTER PANE CRACKED. FLIGHT RETURNED TO DTW AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE WINDSHIELD.

Part: BATTERY — DISCHARGED (CABIN)

DURING LINE CHECK, FOUND CEILING EMERGENCY LIGHTS INOPERATIVE AT ROWS 2 AND 4. MAINTENANCE REPLACED BATTERIES IN BATTERY PACK B5-24, OPERATIONAL CHECK NORMAL.

Part: POWER SUPPLY — INOPERATIVE (CABIN)

DURING LINE CHECK, FOUND 3 EMERGENCY LIGHTS IN GALLEY INOPERATIVE. REPLACED POWER SUPPLY. OPERATIONAL CHECK GOOD.

Part: SLIDE — LOW PRESSURE (TAIL CONE)

DURING LINE MAINTENANCE INSPECTION, FOUND TAIL CONE SLIDE PRESSURE LOW. REPLACED SLIDE.

Part: SWITCH — MALFUNCTIONED (RT LE FLAPS)

TAKEOFF WARNING HORN SOUNDED AS TAKEOFF POWER WAS APPLIED. ABORTED TAKEOFF AT 5 KTS AND RETURNED TO THE GATE. MAINTENANCE REPLACED THE RIGHT SLAT SWITCH, OPERATIONAL CHECK NORMAL.

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING LINE CHECK, FOUND AFT ENTRY DOOR AND TAIL CONE EMERGENCY LIGHTS OUT. REPLACED BATTERIES AND PACKS, OPERATIONAL CHECK OK.

Part: TORQUE LINKS — FAILED (NLG)

DURING TAKEOFF ROLL, EXCESSIVE VIBRATION FROM NOSE GEAR AREA WAS EXPERIENCED. ABORTED TAKEOFF AT APPROXIMATELY 30 KNOTS AND RETURNED TO GATE. REPLACED THE UPPER AND LOWER NOSE GEAR TORQUE LINKS AND BUSHINGS. AIRCRAFT RETURNED TO SERVICE.

Part: CLIPS — OUT OF ADJUST (TAILCONE)

DURING LINE CHECK, FOUND THAT INADEQUATE FORCE WAS REQUIRED TO PULL THE TAILCONE INTERIOR HANDLE FROM THE CLIPS. ADJUSTED THE CLIPS.

Part: TIRES — OUT OF ROUND (RT NLG)

ABORTED TAKEOFF AT 60 KNOTS DUE TO EXCESSIVE VIBRATION FROM NOSE GEAR AREA. FOUND BOTH NOSE TIRES WITH OUT OF ROUND CONDITION. REPLACED BOTH TIRES. AIRCRAFT RETURNED TO SERVICE.