N788AL

Part: SEAL — LEAKING (RT HYD MANIFOLD)

EN ROUTE FROM SJU TO BDL, ALL HYDRAULIC QUANTITY WAS LOST. THE AIRCRAFT DIVERTED TO ATL FOR MAINTENANCE. MAINTENANCE INSPECTED THE AIRCRAFT ON THE GROUND IN ATL AND FOUND A HYDRAULIC LEAK AT THE FLAP CONTROL VALVE ON THE RIGHT HYDRAULIC MANIFOLD. THE SEALS WERE REPLACED UNDER THE FLAP CONTROL VALVE AND THE SYSTEM LEAK CHECKED. THE HYDRAULIC SYSTEM WAS OPS CHECKED, AND RECEIVED A FINAL SERVICING. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: SEAL — LEAKING (RT HYD MANIFOLD)

ON TAKEOFF OUT OF SJU, LOSS OF HYDRAULIC QUANTITY WAS NOTED BY THE FLIGHT CREW. THE AIRCRAFT RETURNED TO SJU FOR MAINTENANCE. UPON ARRIVAL AT SJU, ALL HYDRAULIC QUANTITY HAD BEEN LOST. SJU MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND A HYDRAULIC LEAK ON THE RIGHT HYDRAULIC MANIFOLD AT THE SLOT CONTROL VALVE. THE VALVE WAS RESEALED AND LEAK CHECKED. THE HYDRAULIC SYSTEM WAS OPS CHECKED, AND A FINAL RESERVICING WAS ACOMPLISHED. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: AI DUCT SEAL — BLOWN (NR 1 NOSE COWL)

EN ROUTE FROM BDL TO SJU - THE UPPER HALF OF THE NR 1 ENGINE OUTBOARD COWL DOOR PEELED OFF, LEAVING ITS LOWER HALF FIRMLY LATCHED IN PLACE ON THE NR 1 ENGINE. INSPECTION ON THE GROUND IN SJU, REVEALED BLOWN NOSE COWL ANTI-ICE DUCT SEALS, A 3 INCH BY 6 INCH OVAL ACCESS PLATE BLOWN FROM THE AFT BULKHEAD OF THE NOSE COWL, AND PYLON APRON DAMAGE. SUBMITTER STATES, THE PROBABLE CAUSE OCCURED WHEN THE ENGINE ANTI-ICE WAS APPLIED. THE NOSE COWL ANTI-ICE DUCT SEALS THEN BLEW. THIS PRESS BLEW THE OUTBOARD COWL DOOR. THE BLOWN ANTI-ICE DUCT SEALS WERE REPLACED, THE PYLON APRON WAS REPAIRED, AND THE COWLING DOOR WAS REPLACED. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: JFC LINES — CHAFFED (NR 4 FUEL CONTRL)

TJSJ - ON DEPARTURE, THE NR 4 ENGINE FLAMED OUT AT FL 310. THE FLIGHT CREW CONTINUED THE SHUT DOWN PROCEDURES. NO ABNORMALITIES COULD BE IDENTIFIED. THE ENGINE WAS RE-STARTED, AND OPERATED NORMALLY, WITH THE EXCEPTION OF HIGH FUEL CONSUMPTION. THE ENGINE WAS PRECAUTIONARILY SHUT DOWN, AND THE AIRCRAFT RETURNED TO TJSJ FOR MAINTENANCE. MAINTENANCE INSPECTED THE ENGINE AND FOUND THE JFC SUPPLY AND LOW PRESSURE OUTPUT LINES CHAFFED AND LEAKING. THE LINES WERE REPLACED, AND THE AIRCRAFT RETURNED TO SERVICE. REF NR IXXA199584.

Part: JFC LINES — CHAFFED (NR 4 FUEL CONTRL)

TJSJ - ON DEPARTURE, THE NR 4 ENGINE FLAMED OUT AT FL 310. THE FLIGHT CREW CONTINUED THE SHUT DOWN PROCEDURES. NO ABNORMALITIES COULD BE IDENTIFIED. THE ENGINE WAS RE-STARTED, AND OPERATED NORMALLY, WITH THE EXCEPTION OF HIGH FUEL CONSUMPTION. THE ENGINE WAS PRECAUTIONARILY SHUT DOWN, AND THE AIRCRAFT RETURNED TO TJSJ FOR MAINTENANCE. MAINTENANCE INSPECTED THE ENGINE AND FOUND THE JFC SUPPLY AND LOW PRESSURE OUTPUT LINES CHAFFED AND LEAKING. THE LINES WERE REPLACED, AND THE AIRCRAFT RETURNED TO SERVICE. (M)

Part: SKIN — CRACKED (WS 885 LE)

DURING C-CHECK, THE RIGHT LEADING EDGE SKIN WAS FOUND TO BE CRACKED AT STATION XFS 885. A DOUBLER REPAIR WAS INSTALLED IAW COTNEY ENGINEERING DRAWING SKA95164-4, DATED 8/23/95. (M)

Part: SKIN — CORRODED (FS 1916)

DURING C-CHECK, THREE RIVET HEADS WERE FOUND POPPED ON THE LOWER SIDE OF THE TAIL CONE JUST AFT OF PANEL NR 62 ACCESS DOOR. THE INTERNAL CORROSION WAS REMOVED, AND A NEW SKIN PANEL AND DOUBLERS INSTALLED IAW COTNEY/ENGINEERING DRAWING SKA95164-3, DATED 9/1/95. (M)

Part: BLKHD STIFFENER — CRACKED (AFT PRESS BLKHD)

DURING C-CHECK, AN AFT PRESSURE BULKHEAD HORIZONTAL STIFFENER (THIRD FROM THE BOTTOM AT APPROXIMATELY STATION PLUS X3 TO MINUS X3) WAS FOUND TO BE CRACKED IN THE RADIUS. A DOUBLER REPAIR WAS INSTALLED IAW COTNEY ENGINEERING DRAWING SKA95164-2, DATED 8/23/95. (M)

Part: SKIN — CORRODED (VERT STAB)

DURING C-CHECK, CORROSION WAS FOUND UNDER THE VERTICAL STABILIZER AFT SPAR CLOSE-OUT PANEL JUST FORWARD OF THE UPPER RUDDER DAMPER. THE CORRODED PARTS WERE REMOVED, AND A NEW SKIN AND FITTING WERE INSTALLED IAW COTNEY ENGINEERING DRAWING SKA95164-1, DATED 8/24/95. (M)

Part: ACT FLAP CRANK — BROKEN (RT TE FLAP)

DURING NORMAL FLAP RETRACTION ON DEPARTURE OUT OF BDL, THE RIGHT HAND FLAP APPEARED TO STICK AT 18 DEGREES WITH THE AIRCRAFT TENDING TO ROLL TO THE LEFT AT A LOWER FLAP SETTING. FLAP ASYMMETRY WOULD APPEAR AGAIN ABOVE FLAPS 25. THE AIRCRAFT RETURNED TO BDL FOR MAINTENANCE. INSPECTION ON THE GROUND REVEALED A BROKEN FLAP CRANK ASSEMBLY (P/N 37741721) ON THE RT INBOARD ACTUATOR. THE CRANK ASSEMBLY AND FLAP ACTUATOR WERE REPLACED. (M)

Part: BALLAST — FAILED (COCKPIT LIGHTS)

ON TAXI OUT AT DIA, THE COCKPIT FLOURSCENT LIGHTING BECAME INOPERATIVE, FOLLOWED BY THE SMELL OF AN OVERHEATED BALLAST IN THE COCKPIT. MAINTENANCE IN DIA DETERMINED THAT A LIGHTING BALLAST HAD FAILED. THE FLOURSCENT LIGHT WAS DEFERRED, AND THE AIRCRAFT RETURNED TO SERVICE. (Z)