N852AX

Part: HYDRAULIC LINE — LEAKING (HYD SYSTEM) · airframe 56,357 hrs · 24,650 cycles

AFTER 1.5 HOURS OF FLIGHT, EXPERIENCED LOSS OF HYDRAULICS. PRESSURE DROPPED TO ZERO ACCOMPANIED BY AILERON AND RUDDER CONTROL MANUAL LIGHTS. ISOLATED SYSTEM PRIOR TO QUANTITY REACHING STANDPIPE LEVEL. FOUND NR 3 ENGINE HYDRAULIC PRESSURE LINE LEAKING NEAR HYDRAULIC PUMP. REPLACED PRESSURE LINE, SERVICED MAIN HYDRAULIC RESERVOIR AND OPERATIONALLY CHECKED NR 2 AND NR 3 ENGINES AND AUX PUMPS. OPS CHECKED GOOD. NO LEAKS NOTED.

Part: WINDOW — LACK OF LUBE (COCKPIT)

FIRST OFFICER'S CLEARVIEW WINDOW WILL NOT OPEN. LUBRICATED FIRST OFFICER'S LOCKBAR ON THE CLEARVIEW WINDOW. WINDOW OPENS FREELY.

Part: SWITCH — MALFUNCTIONED (NR 1 ENGINE)

DURING CLIMB-OUT AT APPROXIMATELY 3000 FT, NR 1 ENGINE OIL PRESSURE LIGHT ILLUMINATED. OIL PRESSURE READ 53 PSI. ALL OTHER ENGINE INDICATIONS WERE NORMAL. SHUT DOWN NR 1 ENGINE. REPLACED NR 1 ENGINE DIFFERENTIAL OIL PRESSURE SWITCH.

Part: ENGINE — DEFECTIVE (NR 4)

DURING CLIMB, NR 4 ENGINE OIL PRESSURE FLUCTUATED BETWEEN 35-50 PSI. OIL QUANTITY DROPPED TO .4 GALLONS. OIL TEMPERATURE WAS 125 DEGREES C. SHUT NR 4 ENGINE DOWN. AFTER SHUT DOWN, OIL PRESSURE FLUCTUATED BETWEEN 15-20 PSI. REPLACED NR 4 ENGINE IAW ABX WORK CARD DC8 8090507.

Part: JAMB — CRACKED (PAX DOOR)

LOWER AFT CORNER OF ENTRY DOOR JAMB CRACKED. REPAIRED IAW ABX REA D853-28136MR.

Part: LONGERON — CRACKED (BS 870 & 879)

LONGERONS 24 LEFT AND 24 RIGHT CRACKED AT STATIONS 870 AND 879. REPAIRED IAW DC8 SRM 53-2-2.

Part: BULKHEAD BEAM — CRACKED (AFT PRESS BLKHD)

THE J-BEAM ON AFT SIDE OF AFT PRESSURE BULKHEAD AT STATION 1766 WAS CRACKED. REPAIRED IAW ABX REA D853-28119MR.

Part: VALVE — MALFUNCTIONED (NR 4 ENGINE)

NR 4 ENGINE WAS SHUT DOWN DUE TO OIL QUANTITY GOING TO 0 AND OIL PRESS FLUCTUATING. AT SHUTDOWN OIL PRESS WAS 15 PSI, THEN WENT TO 0. CLEANED AND INSPECTED NR 4 ENGINE OIL FILTER AND OIL SCAVENGE FILTER. NO METAL CONTAMINATION FOUND. REPLACED NR 4 ENGINE OIL PRESSURE RELIEF VALVE IAW DC8 MM 79-20-5.

Part: SYMBOL GEN — MALFUNCTIONED (RT COCKPIT)

DURING SHORT FINAL, AT 500 FT, LOST ALL NAVIGATIONAL GUIDANCE ON FIRST OFFICER'S SIDE. ALL FLAGS APPEARED. OPENED AND CLOSED NAV CONCENTRATOR AND SYMBOL GENERATOR CIRCUIT BREAKERS, ALL INSTRUMENTS RETURNED TO NORMAL. COULD NOT DUPLICATE DISCREPANCY. ALL EQUIPMENT OPS CHECKED GOOD IAW DC8 MM 34-20-0.

Part: SPOILER — DELAMINATED (RT WING)

SPOILER UPPER, INBOARD LEADING EDGE AND LOWER MID-AREA, IS 25 PERCENT DELAMINATED. REPLACED ALL HONEYCOMB CORE, DOUBLERS AND SKIN.

Part: CHAFE STRIP — LOOSE (RT SLID WINDOW)

FIRST OFFICER'S SLIDING WINDOW OPERATION WAS INTERMITTENT, HAD TO MAKE SEVERAL ATTEMPTS TO OPEN. WINDOW WOULD JAM AFTER THE FIRST INCH OF MOVEMENT. FOUND CHAFE STRIP BEHIND FIRST OFFICER'S SLIDING WINDOW LOOSE AND RUBBING ON THE WINDOW. RESECURED STRIP AS REQUIRED, OPS CHECKED GOOD.

Part: BULB — DEFECTIVE (CABIN)

DURING POST FLIGHT, FOUND THE EMERGENCY EXIT LIGHTS DISARM CHECK LIGHT INOPERATIVE. RELAMPED, OPS CHECKED NORMALLY.

Part: VALVE — DEFECTIVE (LT MLG DOOR)

GEAR UNSAFE LIGHT REMAINED ILLUMINATED AFTER GEAR RETRACTION ON CLIMBOUT WITHOUT A NOT LATCHED LIGHT AT FLIGHT ENGINEER'S PANEL. AFTER RECYCING THE GEAR, GEAR UNSAFE LIGHT EXTINGUISHED AND GEAR UPLATCH CHECK WAS GOOD. CLEANED AND LUBRICATED LEFT MAIN LANDING GEAR DOOR LATCH ASSEMBLY. REPLACED LANDING GEAR DOOR MANUAL OPEN VALVE ASSEMBLY, GEAR SWING CHECKED GOOD.

Part: LINK — CRACKED (NR 4 SPOILER)

BOTH THE INBOARD AND OUTBOARD OVERCENTER LINKS CRACKED ON THE RIGHT WING NR 4 SPOILER. REPLACED NR 4 SPOILER OVERCENTER LINKS AND OPS CHECKED SPOILER IAW DC-8 MM 27-61.

Part: CIRCUIT BREAKER — MALFUNCTIONED (COCKPIT)

EMERGENCY EXIT LIGHT ILLUMINATED AND WOULD NOT TURN OFF UNTIL RESETTING THE EMERGENCY EXIT LIGHT CONTROL CIRCUIT BREAKER. FOUND EMERGENCY EXIT LIGHT CONTROL CIRCUIT BREAKER D-1 WEAK AND INTERMITTENT. REPLACED CIRCUIT BREAKER, OPS CHECKED GOOD.

Part: FCU — DEFECTIVE (NR 4 ENGINE)

NR 4 ENGINE FLAMED OUT DURING TAKEOFF ROLL. REPLACED FUEL TEMPERATURE PROBE, FUEL CONTROL UNIT AND FUEL PUMP FILTERS. CHECKED FUEL CONTROL UNIT LINKAGE AND RIGGING. CHECKED RIGGING OF EMERGENCY SHUTOFF VALVE. CHECKED PS4 LINE AND BORESCOPED ENGINE. REPLACED MAIN FUEL PUMP FOR PRECAUTIONARY MEASURES. GROUND RAN ENGINE AND NO DEFECTS WERE NOTED.

Part: SEAT — DEFECTIVE (LT COCKPIT)

CAPTAIN'S AND FLIGHT ENGINEER'S SEATS SLIPPED OUT OF THE LOCKED POSITIONS DURING TAKEOFF. CLEANED FLIGHT ENGINEER'S SEAT TRACKS AND LUBED SEAT LOCKING PINS. REPLACED CAPTAIN'S SEAT IAW DC8 MM. OPS CHECK GOOD FOR CAPTAIN'S AND FLIGHT ENGINEER'S SEATS LOCKING IN POSITION.