N1440A

Part: PUMP — LEAKING (NR 2 ENGINE)

ORD - FLT 1828 - EN ROUTE ORD-YOW - SHORTLY AFTER TAKEOFF DETECTED LOW QUANTITY AND PRESSURE AT NR 2 HYDRAULICS SYSTEM. RETURNED ORD AND LANDED WITHOUT FURTHER INCIDENT. REPLACED NR 2 HYDRAULIC PUMP. NO LEAKS NOTED. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)

Part: LIGHT — INOPERATIVE (CABIN)

DFW - DURING OVERNIGHT MAINTENANCE, EMERGENCY EXIT LIGHT AT FORWARD CLOSET INOPERATIVE. REPAIRED EMERGENCY EXIT LIGHT SPLICE AT FORWARD CLOSET. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)

Part: LIGHT — INOPERATIVE (NR 2 GALLEY)

DFW - DURING OVERNIGHT MAINTENANCE EMERGENCY EXIT LIGHT AT NR 2 GALLEY INOPERATIVE. REPLACED EMERGENCY EXIT LIGHT SEGMENT AT NR 2 GALLEY. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)

Part: DISPLAY — INOPERATIVE (COCKPIT)

DFW - FLT 1935 - AFTER TAKEOFF ON CLIMB RUDDER 2 MESSAGE DISPLAYED ON MFDU. FAULT LIGHT ON HYD2 PUSHBUTTON. RETURNED AND LANDED DFW WITHOUT INCIDENT. ACCOMPLISHED CHECKLIST ON RIGHT MFDU AND TURNED OFF. PERFORMED TEST USING TES9435, COULD NOT DUPLICATE. REPLACED RUDDER LIMITER MONITOR AS A PRECAUTION. SYSTEM GROUND CHECK NORMAL OPERATION. (M

Part: WIRE — FAILED (CABIN)

DFW - DURING OVERNIGHT MAINTENANCE, EMERGENCY EXIT SIGN OVER FORWARD SERVICE DOOR INOPERATIVE. REPAIRED WIRE ON EMERGENCY EXIT SIGN OVER FORWARD SERVICE DOOR. SYSTEM GROUND CHECKED NORMAL OPERATION.. (M)

Part: CONNECTOR — LOOSE (COCKPIT)

DFW - FLT 1137 - ON APPROACH TO DFW, LANDING GEAR LIGHTS FAILED TO ILLUMINATE ON EXTENSION OF LANDING GEAR. AIRCRAFT LANDED DFW WITHOUT INCIDENT. RESECURED CONNECTOR TO GEAR ANNUNCIATOR MODULE. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)

Part: AIR DIST — SMOKING (CABIN)

DFW - AFTER TAKEOFF DFW, CABIN FILLED WITH SMOKE FROM AIR CONDITIONING DUCTS. FLIGHT AIR INTERRUPTED, RETURNED DFW AND LANDED OVERWEIGHT WITHOUT FURTHER INCIDENT. MAINTENANCE ACCOMPLISHED OPERATIONS CHECK OF AIR CONDITIONING SYSTEM UNABLE TO DUPLICATE SMOKE. PERFORMED OVERWEIGHT INSPECTION WITH NO FINDINGS. OPERATED PACKS WITH ENGINES AND APU, NO OIL LEAKS OR SMOKE NOTED. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)

Part: DOOR — OUT OF ADJUST (LT MLG)

ORD - FLT 0702 - AFTER TAKOEFF, LEFT MLG WOULD NOT RETRACT. RECYCLED GEAR SEVERAL TIMES, BUT GEAR WOULD NOT RETRACT. LANDED ORD WITHOUT INCIDENT. ADJUSTED LEFT MLG DOOR AND DOOR STOP PER MM. CYCLED MLG SEVERAL TIMES. SYSTEM GROUND CHECKED, NORMAL OPERATION. (X)

Part: WIRE — MISWIRED (CABIN)

ORD - DURING OVERNIGHT CHECK, FORWARD ENTRY DOOR EMERGENCY EXIT LIGHT FOUND INOPERATIVE. REVERSED POLARITY ON FLOOR WIRING. SYSTEM GROUND CHECKED, NORMAL OPERATION. (X)

Part: INDICATOR — DEFECTIVE (INST PANEL)

ORD - FLT 251 - DURING APPROACH TO ORD WHEN LANDING GEAR EXTENDED, NOSE LANDING GEAR LIGHT DID NOT ILLUMINATE. ACCOMPLISHED ALTERNATE GEAR EXTENSION PROCEDURE AND AIRCRAFT LANDED ORD WITHOUT INCIDENT. REPLACED NOSE LANDING GEAR INDICATOR ANNUNCIATOR. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)

Part: STRINGER — CRACKED (BS 4010/4610)

TUL - TWO CRACKS ON STRINGER 68 BETWEEN STATION 3870 AND STATION 4610. REPAIRED STRINGER 68 PER SRM 51-70-06-R5. (M)

Part: STRUT — REQ'D SERVICE (RIGHT MLG)

BOS - FLT 1565 - AFTER TAKEOFF BOS, UNABLE TO RETRACT LANDING GEAR. SELECTED GEAR OVERRIDE BUTTON AND ALL BUT RT MAIN LANDING GEAR RETRACTED AND ANTI-SKID, FLT/GND CONTROL, LIFT DUMPERS ALERTS DISPLAYED. EXTENDED LANDING GEAR AND ALL INDICATIONS RETURNED TO NORMAL. AIRCRAFT RETURNED TO BOS AND LANDED WITHOUT INCIDENT. SERVICED RIGHT MAIN LANDING GEAR WITH FLUID AND NITROGEN. ACCOMPLISHED BITE CHECK OF LANDING GEAR PROXIMITY SWITCH CONTROL UNIT WITH NO FAULTS NOTED. ACCOMPLISHED LANDING GEAR RETRACTION CHECK WITH NO DEFECTS FOUND. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)

Part: SEQUENCE VALVE — DEFECTIVE (NLG)

DFW - FLT 1175 - DURING APPROACH TO DFW WHEN LANDING GEAR EXTENDED, NLG DID NOT EXTEND. RECYCLED LANDING GEAR WITH SAME RESULTS. ACCOMPLISHED ALTERNATE LANDING GEAR EXTENSION PROCEDURE AND AIRCRAFT LANDED DFW WITHOUT INCIDENT. REPLACED NLG SEQUENCE VALVE. ACCOMPLISHED LANDING GEAR RETRACTION CHECK WITH NO DEFECTS FOUND. SYSTEM GROUND CHECKED, NORMAL OPERATION. (X)

Part: HYD PUMP — FAILED (NR 1 ENGINE)

OKC-ORD - FLT 1210 - DURING CRUISE, EXPERIENCED HYDRAULIC QUANTITY LOSS ON SYSTEM 1 AND HYDRAULIC QUANTITY LOW MESSAGE DISPLAYED ON MFDU. AC PROCEEDED TO ORD AND ACCOMPLISHED ALTERNATE LANDING GEAR AND FLAP EXTENSION, LANDING WITHOUT INCIDENT. REPLACED NR 1 HYDRAULIC SYSTEM ENGINE DRIVEN PUMP DUE TO LEAKING O-RING AT PRESSURE LINE. SERVICED HYDRAULIC SYSTEM AND ACCOMPLISHED LEAK AND GROUND CHECK WITH NO DEFECTS FOUND. SYSTEM GROUND CHECKED NORMAL OPERATION. (W)