N778NC

Part: FRAME SPLICE — CRACKED (BS 1243 S10R) · airframe 70,610 hrs · 65,838 cycles

DURING L-CHECK, FOUND CRACK IN AFT ACCESSORY COMPARTMENT RT CANTED FRAME SPLICE AT BS 1243, STRINGER 10. REPAIRED IAW SRM 53-13-4 FIG 3, SRM 51-30-5, SRM 51-30-4 PAGE 9, SRM 51-10-2 & SRM 51-10-3 PAGE 125.

Part: PAN — CRACKED (CARGO DOOR) · airframe 70,610 hrs · 65,838 cycles

DURING L-CHECK FOUND CRACK IN FWD CARGO DOOR COMPARTMENT DOOR PAN AT AFT END. REPAIRED IAW SRM 53-05 FIGURE 44, SRM 51-30-5, SRM 51-30-42 & SRM 51-30-02.

Part: FRAME SPLICE — CRACKED (BS 1243 S9L) · airframe 70,610 hrs · 65,838 cycles

DURING M-CHECK, FOUND CRACK IN AFT ACCESSORY COMPARTMENT LT SIDE FRAME SPLICE AT BS 1243 STRINGER 9. REPAIRED IAW SRM 51-10-2, SRM 51-10-4, SRM 51-30-5.

Part: FRAME — CRACKED (BS 1275 S9) · airframe 70,610 hrs · 65,838 cycles

DURING M-CHECK, FOUND CRACK IN AFT ACCESSORY COMPARTMENT RT SIDE FRAME FASTENER HOLE AT BS 1275, STRINGER 9. REPAIRED IAW SRM 51-30-05.

Part: STRINGER — CRACKED (BS 1217 S7R) · airframe 70,610 hrs · 65,838 cycles

DURING L-CHECK, FOUND CRACK IN AFT ACCESSORY COMPARTMENT STRINGER 7R AT BS 1217. REPAIRED IAW SRM 51-30-2, SRM 51-30-05, SRM 51-10-4, SRM 51-10-2 & SRM 51-10-3.

Part: HINGE — BROKEN (LT NLG DOOR) · airframe 70,188 hrs · 65,480 cycles

AFTER GEAR RETRACTION FLIGHT CREW REPORTED EXCESSIVE NOISE IN THE COCKPIT COMING FOR THE NOSE WHEEL WELL. ACFT RETURNED TO DEPARTURE. UPON LANDING, MX FOUND THE REAR LT NLG FIXED DOOR OPEN. THE HINGE THAT HOLDS THE FIXED ROD WAS DISCONNECTED FROM THE DOOR. THE BROKEN HINGE WILL BE REVIEWED BY ENGINEERING.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 70,137 hrs · 65,430 cycles

DURING LINE CHECK, MX FOUND SEVERAL EMERGENCY LIGHTS OUT IN 2 DIFFERENT ZONES OF CABIN. MX REPLACED BATTERIES AT EXIT ROW 15 LT AND RELAMPED LIGHTS IAW AMM 33-53-00. OPS CHECK OF LIGHTS NOW CHECK GOOD.

Part: CONTROLLER — INOPERATIVE (CABIN PRESSURE)

DURING CRUISE FLIGHT, THE CREW NOTICED AN UNCOMMANDED CLIMB IN CABIN ALTITUDE. THE EMERGENCY PRESSURE LOSS CHECKLIST WAS ACCOMPLISHED BUT CABIN PRESSURE WAS NOT RESTORED. A RAPID DESCENT WAS MADE TO A LOWER ALTITUDE AND THE FLIGHT DIVERTED. COM WAS FOLLOWED AND THE CREW MANUALLY DEPLOYED THE MASKS AFTER NOTING THAT THE CABIN REACHED 12,000 FT. LOCAL MX PERFORMED BITE AND FAULT CODES 016 AND 005 WERE DISPLAYED. INSP OF THE PRESSURE SYSTEM DID OT FIND ANY DEFECTS. ACFT WAS FERRIED, WHERE THE OUTFLOW VALVE AND BOTH PRESSURE CONTROLLERS WERE REPLACED ALONG WITH ALL OF THE DEPLOYED MASKS. (K)

Part: POWER SUPPLY — DISCHARGED (CABIN) · airframe 67,241 hrs · 62,936 cycles

DURING LINE CHECK, MX FOUND THAT THE EXTERIOR EMERGENCY FLOOD LIGHT WAS INOPERATIVE. MX REPLACED THE POWER SUPPLY AND THE LIGHTS RETURNED TO AN OPS CONDITION.

Part: CONNECTOR — LOOSE (EMERGENCY LIGHTS) · airframe 66,751 hrs · 62,490 cycles

DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY PATHWAY LIGHTING IN THE FIRST CLASS SECTION OF THE CABIN HAD FAILED. MAINTENANCE FOUND A LOOSE ELECTRICAL CONNECTOR. RE-SEATED THE CONNECTOR AND OPERATIONAL CHECK WAS GOOD. (A)

Part: LINE — CHAFED (HYD SYSTEM) · airframe 66,265 hrs · 62,046 cycles

FIRST OFFICER NOTICED THAT THE RIGHT HYDRAULIC SYSTEM QUANTITY WAS LOSING FLUID. COM PROCEDURES WERE COMPLIED WITH AND THE CREW ALSO DECLARED AN EMERGENCY IN ANTICIPATION OF NEEDING CFR EQUIPMENT. THE LANDING GEAR EXTENDED NORMALLY HOWEVER HYDRAULIC QUANTITY DECREASED TO ZERO BUT HYDRAULIC PRESSURE REMAINED AT 3000 PSI. GEAR WAS LOCKED IN PLACE WITHOUT PROBLEM AND HAD GREEN INDICATIONS. ALL INDICATIONS WERE NORMAL AFTER LANDING EXCEPT FOR THE ZERO QUANTITY ON THE RIGHT HYDRAULIC SYSTEM. AIRCRAFT TAXIED TO THE GATE UNDER ITS OWN POWER. MAINTENANCE FOUND THE RH HYDRAULIC SYSTEM RETURN LINE TO THE O/B SPOILER CHAFED AND LEAKING. LINE WAS REPLACED WITH A TEMPORARY ONE AND CORRECT PART PLACED ON ORDER.

Part: SKIN — CRACKED (FUSELAGE) · airframe 64,926 hrs · 60,858 cycles

DURING "L" CHECK FOUND CRACKS IN FUSELAGE SKIN AT FORWARD UPPER CORNER OF FORWARD PASSENGER DOOR JAMB. REPAIRED PER EA 98-210174 SECT I. SECTION II INSPECTION TO BE PERFORMED EVERY 3000 CYCLES. PERMANENT REPAIR PER SECTION III TO BE ACCOMPLISHED ON OR BEFORE 2 YEARS/24 MONTHS AFTER SECTION I ACCOMPLISHMENT.

Part: PUMP — MALFUNCTIONED (FUEL BOOST)

DURING CLIMB OUT OF CLT FOUND LT AND CENTER UNCOMMANDED FUEL TRANSFER TO RT TANK AND FUEL VENTING OUT LT WING TIP. FLIGHT RETURNED TO CLT FOR AN UNEVENTFUL LANDING. REPLACED RT WING BOOST PUMP AND VOLUTE. TIGHTENED LOOSE COUPLING. OPERATION CHECKS GOOD.

Part: ACTUATOR — LEAKING (RT MLG) · airframe 61,791 hrs · 58,110 cycles

DURING CRUISE THE RT HYDRAULIC SYSTEM QUANTITY DROPPED TO 1 QUART. COM PROCEDURES COMPLIED WITH AND THE CREW DEACTIVATED SOME RT HYDRAULIC SYSTEM COMPONENTS WHICH INCREASED THE QUANTITY TO 6 QUARTS. ON APPROACH WHEN THE RT SYSTEM WAS REACTIVATED THE QUANTITY WENT TO ZERO. THE PRESSURE REMAINED NORMAL AND THE AIRCRAFT COMPLETED A SAFE LANDING. MAINTENANCE REPLACED THE RT MAIN GEAR RETRACT ACTUATOR DUE TO LEAKING. REPLACED THE RT ENGINE PUMP, RT CASE DRAIN, AND PRESSURE FILTERS ALSO. LEAK CHECK WAS GOOD AND THE AIRCRAFT CLEARED FOR REVENUE FLIGHT.

Part: RIB — CRACKED (LT PYLON) · airframe 61,417 hrs · 57,758 cycles

DURING INSPECTION, FOUND CRACK IN LOWER SURFACE OF LT PYLON CLOSING RIB AND ANGLE BEHIND THE AFT ENGINE MOUNT. REPAIRED PER EA 98-205378.

Part: COMPUTER — MALFUNCTIONED (RUDDER) · airframe 60,393 hrs · 56,798 cycles

DURING TAKEOFF CLIMB AFTER GEAR RETRACTION, THE CREW EXPERIENCED FULL THROW RUDDER DEFLECTIONS. AIRCRAFT WAS DIFFICULT TO CONTROL UP THROUGH 6000 FEET AND THEN, PER COM, THE YAW DAMPER WAS TURNED OFF AND CREW ASSUMED MANUAL RUDDER CONTROL. AIRCRAFT PERFORMED WELL IN MANUAL AND FLIGHT RETURNED TO AN UNEVENTFUL LANDING BACK TO MSP. MAINTENANCE REPLACED THE STABILIZER AUGMENTATION COMPUTER, THE YAW DAMPER ACTUATOR, AND THE RUDDER POWER PACK. RUDDER RIGGING WAS CHECKED AND A TEST FLIGHT WAS COMPLETED AS SATISFACTORY.

Part: DOOR FRAME — CRACKED · airframe 56,012 hrs · 52,790 cycles

During MCK at ATL base, the forward upper corner of the forward cargo door doorjamb was found cracked 1/16" long. The crack was repaired per EA 98-190835.

Part: BULKHEAD — CRACKED · airframe 56,012 hrs · 52,790 cycles

During Mck at ATL, a crack was found in the 5910130-13 doubler radius of the upper LHS corner door jamb and extended under the 59-10130-9 channel. Also, another crack was found in the LHS upper corner. Repaired per EA 98-190832.

Part: BRACKET — CRACKED · airframe 56,012 hrs · 52,790 cycles

During an Mck in ATL P/N 9957860-6 bracket was found with a .25" long crack. Rpaired per EA 98-190823.

Part: ANGLE — CRACKED · airframe 53,993 hrs · 50,986 cycles

During Line MTC., activities at the ATL base MTC. The lower angle (9959159-58) angle was found cracked at the 176 RHS at the aft end portion of the lower cap of the pylon closing rib. A new lower cap section was installed and spliced with a repair angle. 0.040" TI-6AI-4V, EA 98-185280

Part: PSEU — FAILED (MLG)

DURING FINAL APPROACH, ALL THREE GREEN DOWN AND LOCK LIGHTS INTERMITTENTLY ILLUMINATED AND EXTINGUISHED. FLIGHT CREW DECLARED YELLOW EMERGENCY AND GEAR WAS VISUALLY CONFIRMED DOWN AND LOCKED. AIRCRAFT LANDED WITHOUT INCIDENT. LOG PAGE INDICATES BITE CHECK NOT ACCOMPLISHED. MAINTENANCE REPLACED PROXIMITY SYSTEM ELECTRONIC UNIT, OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERIES — DISCHARGED (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND OVERHEAD EMERGENCY LIGHTS BETWEEN ROWS 9, 10, AND 11 INOPERATIVE. REPLACED BATTERIES IN FIRST BATTERY PACK AFT OF OVERWING EMERGENCY EXIT DOORS, OPERATIONAL CHECK NORMAL.

Part: COMPRESSOR — STALLED (RT ENGINE)

AFTER LIFTOFF, THE RIGHT ENGINE EXPERIENCED COMPRESSOR STALLS. AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE RIGHT ENGINE. AIRCRAFT RETURNED TO SERVICE.

Part: FUEL CONTROL — MALFUNCTIONED (LT ENGINE)

DURING TAKEOFF ROLL AT 130 KNOTS, THE LEFT ENGINE EXPERIENCED COMPRESSOR STALLS. CREW COMPLETED TAKEOFF THEN RETURNED TO DTW AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE LEFT ENGINE FUEL CONTROL UNIT. OPERATIONAL CHECK OK. AIRCRAFT RETURNED TO SERVICE.

Part: POWER SUPPLY — INOPERATIVE (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND OVERHEAD EMERGENCY LIGHTS AT ROWS 10 AND 14 INOPERATIVE. REPAIRED BATTERY CONTACT AT POWER SUPPLY, OPERATIONAL CHECK NORMAL.

Part: BATTERY — DISCHARGED (CABIN)

DURING LINE CHECK, FOUND EMERGENCY EXIT SIGNS AT SEATS 15A AND 15E INOPERATIVE. MAINTENANCE REPLACED BATTERIES, OPERATIONAL CHECK OK.

Part: DISAGREE LIGHT — ILLUMINATED (LE FLAPS)

ON CLIMB-OUT OF ATL, SLAT DISAGREEMENT LIGHT ILLUMINATED. FOLLOWED COCKPIT OPERATING MANUAL PROCEDURE. FLIGHT RETURNED TO ATL AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED SLAT SWITCHES AND SLAT OPERATION. OPERATION CHECKS GOOD.

Part: PT 2 LINE — LOOSE (RT ENGINE)

DURING CLIMB, THE RIGHT ENGINE EPR INDICATION WAS ABNORMAL. A/C RETURNED TO ATL AND LANDED WITHOUT INCIDENT. MAINTENANCE TIGHTENED THE RIGHT ENGINE PT-2 FLEX LINE. OPERATIONAL CHECK WAS OK.

Part: LATCH MECHANISM — OUT OF ADJUST (TAILCONE)

DURING H-CHECK, FOUND THAT EXCESSIVE FORCE WAS REQUIRED TO RELEASE THE TAILCONE. RIGGED TAILCONE LATCHING MECHANISM.

Part: POWER SUPPLY — INOPERATIVE (CABIN)

DURING LINE CHECK, FOUND CEILING EMERGENCY LIGHTS IN FIRST CLASS CABIN INOPERATIVE. REPLACED POWER SUPPLY AND BATTERIES. OPERATIONAL CHECK OK.

Part: WIRE — LOOSE (CABIN)

DURING LINE CHECK, FOUND EMERGENCY LIGHTS OVER GALLEY DOOR INOPERATIVE. FOUND BAD GROUND WIRE ON LIGHT FIXTURE. REPLACED GROUND WIRE. OPERATIONAL CHECK OK.

Part: ACTUATOR — MALFUNCTIONED (YAW DAMPER)

DURING CLIMB, OSCILLATIONS WERE EXPERIENCED IN THE YAW AXIS OF THE AIRCRAFT. THE AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED THE YAW DAMPER ACTUATOR. OPERATIONAL CHECK GOOD.

Part: ROLL AXIS COMP — MALFUNCTIONED (AUTO PILOT)

DURING CRUISE, THE RUDDER DEFLECTED TO THE RIGHT CAUSING THE AIRCRAFT TO ROLL. THE AIRCRAFT CONTINUED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED THE AUTOPILOT ROLL AXIS COMPUTER. OPERATIONAL CHECK GOOD.

Part: OIL QTY IND SYS — MALFUNCTIONED (NR 2 ENGINE)

CLIMBING OUT OF DTW, NR 2 ENGINE OIL QUANTITY INDICATION BEGAN DECREASING RAPIDLY. NOTING A RISE IN OIL TEMPERATURE, THE CREW DECIDED TO PERFORM A PRECAUTIONARY SHUTDOWN OF THE ENGINE. THE FLIGHT RETURNED TO DTW FOR AN UNEVENTFUL LANDING. THE OIL TEMPERATURE SYSTEM OPERATION CHECKED NORMAL. THE OIL QUANTITY INDICATION SYSTEM HAD MALFUNCTIONED, IT WAS PLACED ON MEL AND THE AIRCRAFT CONTINUED IN SERVICE. SUBSEQUENT REPLACEMENT OF THE OIL QUANTITY TRANSMITTER RESTORED NORMAL SYSTEM OPERATION.

Part: COMPRESSOR — STALLED (NR 2 ENGINE)

THE NR 2 ENGINE EXPERIENCED COMPRESSOR STALLS ON TAKEOFF ROLL, TAKEOFF WAS ABORTED. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED THE ENGINE. SUBSEQUENT RUNUP AND TEST WERE SATISFACTORY. THE AIRCRAFT RETURNED TO SERVICE.