N1732D

Part: O RING — TORN (HYD SERV CENTER)

C SYSTEM QUANTITY GAUGE INDICATED ONE-QUARTER AFTER GEAR AND FLAPS WERE RETRACTED. PRESSURE STAYED NORMAL 3000 PSI LOW QTY LIGHT STAYED OFF. PRODCEDURE ACCOMPLISHED, SYSTEM SHUT DOWN. WHEN GEAR WAS EXTENDED LOW QTY CAME ON. SYSTEM WORKED NORMALLY. (ATM WAS USED TO LOWER GEAR). FOUND O RING BAD ON PLUG FITTING ON BACK SIDE OF LANDING GEAR MODULE IN HYD SERV CENTER. REPLACED PLUG AND O RING AND PRESSURIZED HYD SYSTEMS. LEAK CKS GOOD.

Part: ENGINE — FAILED (NR 3)

NR 3 ENG AT CRUISE 37,000 FT, HIGH VIBS INDICATED 2.6-2.8 UNITS. VERIFIED WITH BOTH A AND B PICKUPS. ALSO, FELT SLIGHT AIRFRAME VIB, SWITCHED TO LOW MED HIGH SETTINGS. MED HIGH WERE NORM BUT LOW FREQ PICK UP IND HIGH VIB READINGS. ENG SHUT DOWN ACCOMPLISHED. REPLACED ENGINE.

Part: BULB — FAILED (NR 3 ENGINE)

WHILE CLIMBING THROUGH FL 35.5 NR 3 ENG FLAMED OUT. IT APPEARS THE NR 3 ENG TANK VLV BECAME UNLATCHED. RELATCHED THE NR 3 ENG TANK VLV SWITCH LIGHT AND RESTARTED ENG, BOTH LIGHT BULBS IN FLOW BAR WERE BURNED OUT. REPLACED NR 3 ENG TANK VLV SWITCH LENS ASSY VALVE AND LIGHT LENS OPERATES GOOD. COMPLETED LOST THRUST REPORT AND INSPECTED ENG INLET, EXHAUST AND CHIP DETECTORS, ALL CKS GOOD. GOOD OIL PRESSURE MAINTAINED DURING EVENT.

Part: TIRE — FAILED (NLG)

BLEW BOTH NOSE TIRES UPON LANDING. TWO C-SYSTEM HYDRAULIC LINES DAMAGED ON NLG ASSEMBLY AND AIR/GROUND SENSOR DAMAGED BY TIRE DEBRIS. NOSE WHEEL ASSEMBLIES ALREADY REPLACED, MAINTENANCE IN PROGRESS REPLACING HYDRAULIC LINES AND REPAIRING AIR/GROUND SENSOR.

Part: ENGINE — FAILED (NR 2)

NR 2 ENG ROLLED BACK, RAMP REPORTS TAIL PIPE FIRE. REPLACED ENGINE.

Part: GEARBOX — FAILED (NR 3 ENGINE)

IN CLIMBOUT AT 28,500 FT AND CLIMB 1 POWER NR 3 FLAMED OUT, NO INDICATIONS IN COCKPIT. NO ATTEMPT TO RESTART ENG, RETURNED TO SLC. METAL ON ENG 3 MASTER CHIP DET. REPLACED MAIN GEARBOX AND STEP A SIDE GEAR BOX.

Part: SKIN — CORRODED (FS 1551)

THE BONDED FUSELAGE SKIN ASSEMBLY AROUND THE C2 CARGO DOOR WAS FOUND CORRODED NEAR STA 1551 AND STR 29. THE CORROSION WAS REMOVED WITH A CUTOUT IN THE OUTER SKIN, BONDED DOUBLER AND DOOR DOUBLER. THE CUTOUT WILL BE REPAIRED USING STANDARD SRM REPAIR TECHNIQUES.

Part: BRACKET — MISSING (NR 2 RAM AIR DR)

NR 2 ECS RAM AIR DOOR WAS FOUND MISSING ON ARRIVAL IN BOS. THE DOOR MOUNT BRACKETS HAD FAILED DUE TO CORROSION. UPON INSP FOUND ALL THREE ECS RAM AIR DOOR MOUNTS CORRODED.

Part: OUTER WINDOW — BROKEN (CABIN)

OUTER WINDOW ROWS 44 AND 45 ON CAPT'S SIDE, CRACKED AND DEPARTED AIRCRAFT.

Part: POWER SUPPLY — INOPERATIVE (CABIN)

AISLE EMERGENCY LIGHT OUT ABOVE 6B. REPLACED POWER SUPPLY, OPERATION NORMAL.

Part: POWER SUPPLY — INOPERATIVE (CABIN)

D-ZONE EMERGENCY TRACK LIGHTING INOP. REPLACED BOTH RT SIDE POWER SUPPLYS, CHECKS OK.

Part: WIRE — BURNED (NR 2 OVEN)

NR 2 OVEN 'B' PHASE FEEDER WIRES AND TERMINAL BLOCK BURNED. RETERMINATED WIRES AND REPLACED OVEN. FLT ATTENDANT REPORTED OVEN OVERHEATING.

Part: GEARBOX — FAILED (NR 2 ENGINE)

NR 2 ENG FAILED 16 MIN AFTER T/O. FOUND GEARBOX FAILED. REPLACED GEAR BOX, OPERATION NORMAL.

Part: BLKHD WEB — CRACKED (BS 1363)

A CRACK WAS FOUND IN THE FS 1363 BULKHEAD WEB AND LOWER CAP, LOCATED BETWEEN STR 18 AND 19, EXTENDS DIAGONALLY I/B. REPAIRED PER DL ERA 271398-14.

Part: AIR COND — SMOKE (CABIN)

AFTER TAKEOFF SMOKE OCCURED IN CABIN, MOSTLY IN MID TO AFT AREA. RETURNED TO LAX ODOR CLEARED ON LANDING. RAN ALL 3 PACKS INDIVIDUALLY AND WITH AIR FROM ENGINES AND APU, COULD NOT DUPLICATE PROBLEM, RETURNED TO SERVICE.

Part: AIR DISTR — ODOR (CABIN)

ALL AFT SMOKE DETECTORS SOUNDED WITH HAZE IN CABIN OF AIRCRAFT. HAZE APPEARED AFTER THROTTLES PULLED TO IDLE AT TOP OF DESCENT. IRRITATING FUMES IN AFT. CHECKED OPERATION OF ALL PACKS, COULD NOT DUPLICATED, RETURNED TO SERVICE.