N16545

Part: SPAR CAP — CRACKED (ZONE 300) · airframe 62,742 hrs · 32,555 cycles

CRACK INDICATION IN SPAR CAP, NUMBER 1 HOLE BELOW 52.267, LEFT SIDE. INSTALLED DOUBLER/TRIPLER PER EA MD80-55-026866.

Part: BLADE — DAMAGED (LT ENGINE) · airframe 61,856 hrs · 32,040 cycles

DFW - CREW REPORTED BIRD STRIKE TO NUMBER ONE ENGINE DURING CLIMBOUT. EMERGENCY DECLARED FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND DAMAGE TO LEFT ENGINE FAN BLADE. REPLACED LEFT ENGINE AT DFW ON 07/04/2012. SYSTEM GROUND CHECK NORMAL OPERATION.

Part: MODULE — INOPERATIVE (CABIN) · airframe 59,613 hrs · 30,772 cycles

ESCAPE PATH LIGHTING FROM ROWS 21 TO 32 INOPERATIVE. REPLACED BATTERY MODULE AT POSITION AT AB5-4. OPS CHECK NORMAL.

Part: COVER PLATE — LEAKING (FUEL SYSTEM) · airframe 58,998 hrs · 30,438 cycles

TUL - INFLIGHT DFW-LGA. CREW REPORTED LEFT WING FUEL LEAK. EMERGENCY DECLARED FLIGHT DIVERTED TUL LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND FUEL BOOST PUMP COVER PLATE SEAL LEAKING. REPLACED SEALS. SYSTEM GROUND CHECK NORMAL OPERATION.

Part: PLACARD — MISSING (CABIN) · airframe 58,274 hrs · 30,030 cycles

INSTRUCTIONAL PLACARD MISSING FROM FLIGHT DECK PROTECTIVE BREATHING EQUIPMENT CONTAINER. REPLACED FLIGHT DECK PBE ASSEMBLY. OPS CHECK NORMAL.

Part: FRAME — CRACKED (FUSELAGE) · airframe 56,254 hrs · 28,895 cycles

AFT 1463 CANT FRAME WEB CRACKED ABOVE RIGHT LOUVER BOX. INSTALLED REPAIR DOUBLERS ON 1463 CANT FRAME ABOVE RIGHT LOUVER BOX IAW EA MD80-53-011275 DATED 6/15/10 AND SRM 53-03 FIGURE 38.

Part: INTERCOSTAL — CRACKED (FUSELAGE) · airframe 56,254 hrs · 28,895 cycles

AFT CARGO INTERCOSTAL CRACKED AT STATION 1293 IN CENTER OF FLOOR. INSTALLED NEW INTERCOSTAL AT STATION 1287 TO 1307 PER SRM 51-30-05

Part: BEAM — CORRODED (CARGO BAY) · corrosion level 2 · airframe 56,254 hrs · 28,895 cycles

CORROSION IN AFT CARGO DOOR BEAM FROM STATION 1155-1212. DOUBLER INSTALLED PER AMERICAN AIRLINES REPAIR DOCUMENT 53-10-00-3

Part: SKIN — CRACKED (FUSELAGE) · airframe 56,254 hrs · 28,895 cycles

FUSELAGE LEFT SIDE CRACK INDICATION AT SKIN STATION 1474 CANT FRAME APPROXIMATELY SIX INCHES ABOVE AFT STAIR CUTOUT AT RIVET MARKED. INSTALLED DOUBLER PER SRM 53-01-00 FIGURE 2 SHEET 3.

Part: FITTING — DAMAGED (SPOILER) · airframe 56,254 hrs · 28,895 cycles

DAMAGED GROUND SPOILER FITTING. REPLACED FITTING PER SRM 51-30-05.

Part: SEAT TRACK — CORRODED (FUSELAGE) · corrosion level 2 · airframe 56,254 hrs · 28,895 cycles

CORROSION IN NUMBER FIVE SEAT TRACK AT STATION 205. SEAT TRACK SPLICE REPAIR WAS INSTALLED PER SRM 53-05-00 FIGURE 4F.

Part: FRAME — CRACKED (FUSELAGE) · airframe 56,254 hrs · 28,895 cycles

THE 1418 FRAME APPEARS CRACKED AT LONGERON 2 LEFT. INSTALLED DOUBLER PER SRM 53-03-00 FIGURE 31A.

Part: CUSP WEB — CRACKED (FUSELAGE) · airframe 56,254 hrs · 28,895 cycles

DAMAGE ON CUSP SHEET OUTBOARD OF SEAT TRACK NUMBER 1 AT STATION 237. REPLACED LEFT CUSP SHEET FROM 218 TO 237 PER AARD 53-20-00-16 AND DOUBLER AROUND LIGHTING HOLE PER AARD 53-20-00-16.

Part: CUSP WEB — CORRODED (FUSELAGE) · airframe 56,254 hrs · 28,895 cycles

CABIN HAS CORROSION IN SUB FLOOR WEBBING AT STATION 200 INBOARD OF FORWARD SERVICE DOOR. REMOVED CORROSION AND INSTALLED DOUBLER PER AARD 53-20-00-16.

Part: CUSP WEB — CORRODED (FUSELAGE) · corrosion level 2 · airframe 56,254 hrs · 28,895 cycles

WEB UNDER GIRT BAR SUPPORT MOUNT HAS CORROSION FORWARD STATION 1174 LONGERON 18 LEFT. INSTALLED DOUBLER PER AARD 53-20-00-16.

Part: SKIN — GOUGED (FUSELAGE) · airframe 56,254 hrs · 28,895 cycles

FUSE - GOUGES IN SKIN STATIONS 204 TO 210 BETWEEN STRINGER 4 LEFT AND 5 LEFT INSTALLED DOUBLER PER SRM 53-04-03 & DWG SG09530002.

Part: SEAT TRACK — DAMAGED (FUSELAGE) · airframe 56,254 hrs · 28,895 cycles

NUMBER 6 SEAT TRACK PLUG OUT IF LIMITS AT STATION 500. REMOVED DAMAGED SEAT TRACK AREA AND INSTALLED REPAIR PARTS PER AARD 53-20-00-10 AND SRM 53-05 FIGURE 4A.

Part: SEAT TRACK — CORRODED (FUSELAGE) · corrosion level 2 · airframe 56,254 hrs · 28,895 cycles

NUMBER 6 SEAT TRACK PLUG OUT OF LIMITS AT STATION 466. SEAT TRACK PLUG INSTALLED IN NUMBER 6 SEAT TRACK AT STATION 466 PER AARD 53-20-00-10 AND SRM 53-05 FIGURE 4A.

Part: SEAT TRACK — CORRODED (FUSELAGE) · corrosion level 2 · airframe 56,254 hrs · 28,895 cycles

NUMBER 6 SEAT TRACK AT STATION 398 CORROSION OUT OF LIMITS. REPAIRED PER AARD 53-20-00-10.

Part: CUSP WEB — CORRODED (FUSELAGE) · corrosion level 2 · airframe 56,254 hrs · 28,895 cycles

CORROSION BEYOND LIMITS ON LEFT CUSP STATIONS 1083 TO 1084. CUT OUT DAMAGE AND INSTALLED CUSP DOUBLER PER AARD 53-20-00-16.

Part: CUSP WEB — CRACKED (FUSELAGE) · airframe 56,254 hrs · 28,895 cycles

STATION 469 RIGHT CUSP CRACKED. INSTALLED DOUBLER CUSP REPAIR AARD 53-20-00-06.

Part: PAN — CRACKED (WINDOW) · airframe 56,254 hrs · 28,895 cycles

WINDOW PAN CRACKED LOWER FORWARD CORNER AFT SIDE OF STATION 598 RIGHT SIDE. INSTALLED REPAIR ANGLE PER AARD 53-10-00-25.

Part: PAN — CRACKED (WINDOW) · airframe 56,254 hrs · 28,895 cycles

CRACK AT TOP FORWARD WINDOW PAN AT STATION 731 LEFT SIDE. CUT OUT DAMAGE AND INSTALLED DOUBLER PER AARD 53-10-00-25.

Part: PAN — CRACKED (WINDOW) · airframe 56,254 hrs · 28,895 cycles

CRACK IN LOWER AFT CORNER OF WINDOW PAN AT STATION 1098 LEFT SIDE. CUT OUT DAMAGED AREA AND INSTALLED DOUBLER PER AARD 53-10-00-25.

Part: PAN — CRACKED (WINDOW) · airframe 56,254 hrs · 28,895 cycles

WINDOW PAN CRACKED AT UPPER FORWARD CORNER STATION 946 RIGHT SIDE. TRIMMED OUT DAMAGE AND INSTALLED DOUBLER REPAIR ANGLE PER AARD 53-10-00-25.

Part: PAN — CRACKED (WINDOW) · airframe 56,254 hrs · 28,895 cycles

WINDOW PAN CRACKED AT LOWER FORWARD CORNER STATION 807 RIGHT SIDE. TRIMMED OUT DAMAGE AND INSTALLED DOUBLER REPAIR ANGLE PER AARD 53-10-00-25.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 55,221 hrs · 28,330 cycles

EMERGENCY LIGHT BATTER PACK IN CABIN FAILED FUNCTIONAL TEST. REPLACED TWO BATTERY PACKS IN CABIN.

Part: BATTERY PACK — LOOSE (CABIN) · airframe 53,992 hrs · 27,659 cycles

LEFT AND RIGHT FORWARD OVERWING DOOR UPPER EXIT SIGNS INOPERATIVE. SECURED FORWARD OVERWING LIGHTS BATTERY PACK TERMINALS.

Part: INDICATOR — FAILED (FUEL SYSTEM) · airframe 53,949 hrs · 27,635 cycles

LEFT WING FUEL INDICATION FAILED DURING FLIGHT. DUE TO FLIGHT PLAN CHANGE CREW MADE PRECAUTIONARY LANDING IN BNA TO ADD FUEL. LANDED WITHOUT INCIDENT. REPLACED LEFT WING FUEL TANK DIGITAL FUEL QUANTITY INDICATOR. SYSTEM GROUND CHECKED NORMAL OPERATION.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 52,806 hrs · 27,009 cycles

AFT AISLE BATTERY PACK HAS VERY LOW OUTPUT. INSTALLED SERVICEABLE BATTERY PACK PER 33-50-00-12D.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 52,806 hrs · 27,009 cycles

OVERWING EMERGENCY LIGHTS DO NOT COME ON. INSTALLED SERVICEABLE BATTERY PACK PER M/M 33-53-00-4, OPERATIONAL CHECK GOOD.

Part: INTERCOSTAL — CRACKED (FUSELAGE) · airframe 52,806 hrs · 27,009 cycles

INTERCOSTAL CRACKED ABOVE RIGHT MAIN LANDING GEAR DOOR ACTUATOR. STOP DRILLED AND INSTALLED DOUBLER PER EA MD80-53-005651.

Part: SHEAR TIE — CRACKED (FUSELAGE) · airframe 52,806 hrs · 27,009 cycles

SHEAR TIE CRACKED AFT SIDE OF 1431 FRAME LONGERON 2L. REPLACED SHEAR TIE PER SRM 51-01-00.

Part: CASTING — CRACKED (SPOILER) · airframe 31,684 hrs · 2,700 cycles

LEFT WING GROUND SPOILER CASTING CRACKED AT INBOARD LEG. REMOVED AND REPLACED LEFT WING GROUND SPOILER CASTING PER 51-01-00.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 52,806 hrs · 27,009 cycles

FORWARD AISLE BATTERY PACK HAS VERY LOW OUTPUT. INSTALLED SERVICEABLE BATTERY PACK AND ACCOMPLISHED OPERATIONAL CHECK PER M/M 33-60-98-4.

Part: BATTERY PACK — DISCHARGED (EMERGENCY LIGHTS) · airframe 52,546 hrs

LGA - CEILING EMERGENCY LIGHT AT ROW 6 INOPERATIVE. REPLACED BATTERY PACK AT ROW 6.

Part: BATTERY PACK — DISCHARGED (EMERGENCY LIGHTS) · airframe 52,546 hrs

LGA - CEILING EMERGENCY LIGHTS BETWEEN ROWS 4 THRU 7 INOPERATIVE. REPLACED CHARGER AND BATTERIES FOR CEILING EMERGENCY LIGHTS.

Part: BATTERY PACK — NOT SEATED (EMERGENCY LIGHTS) · airframe 52,546 hrs

LGA - CEILING EMERGENCY LIGHTS BETWEEN ROWS 27 THRU 32 INOPERATIVE. RESEATED BATTERIES IN CHARGER.

Part: BATTERY PACK — NOT SEATED (EMERGENCY LIGHTS) · airframe 52,546 hrs

LGA - TAIL CONE EMERGENCY LIGHTS INOPERATIVE. RESEATED BATTERIES IN CHARGER.

Part: BATTERY PACK — DISLODGED (EMERGENCY LIGHT) · airframe 51,923 hrs

LGA - EMERGENCY LIGHTS AT AFT LAVATORY INOPERATIVE. REPOSITIONED BATTERY PACK FOR INOPERATIVE EMERGENCY LIGHTS. SYSTEM GROUND CHECKED NORMAL OPERATION.

Part: BATTERY PACK — DISLODGED (EMERGENCY LIGHT) · airframe 51,923 hrs

LGA - EMERGENCY LIGHTS AT SEAT ROWS 6 TO 12 INOPERATIVE. REPOSITIONED BATTERY PACK FOR INOPERATIVE EMERGENCY LIGHTS. SYSTEM GROUND CHECKED NORMAL OPERATION.

Part: BATTERY PACK — DISCHARGED (CABIN)

DFW - EMERGENCY LIGHTS AT RIGHT NUMBER ONE DOOR EXIT SIGN INOPERATIVE. REPLACED BATTERY PACK AND CHARGER ASSEMBLY FOR EMERGENCY LIGHTS AT RIGHT NUMBER ONE DOOR EXIT SIGN. SYSTEM GROUND CHECKED NORMAL OPERATIONS.

Part: LIGHT — DAMAGED (CABIN)

EMERGENCY LIGHTS AT TAIL CONE HANDLE DAMAGED. REPLACED EMERGENCY TAILCONE HANDLE LIGHT ASSEMBLY. SYSTEM GROUND CHECKED NORMAL OPERATIONS. (CLOSED)

Part: LIGHT — INOPERATIVE (CABIN)

EMERGENCY LIGHTS AT AFT SEAT ROW SEVEN INOPERATIVE. REPLACED LIGHT ASSEMBLY FOR EMERGENCY LIGHTS AT AFT SEAT ROW SEVEN. SYSTEM GROUND CHECKED NORMAL OPERATIONS. (CLOSED)

Part: BATTERY PACK — DISCHARGED (CABIN)

SFO - EMERGENCY LIGHTS OVER LEFT HAND AND RIGHT HAND FORWARD OVERWING EXITS SIGNS NEAR DOOR HANDLES INOPERATIVE. REPLACED BATTERY PACK AND BATTERIES AT SEATS 13 DEF FOR EMERGENCY LIGHTS OVER LEFT HAND AND RIGHT HAND FORWARD OVERWING EXITS SIGNS NEAR DOOR HANDLES. SYSTEM GROUND CHECKED NORMAL OPERATION.

Part: SCHRADER VALVE — LEAKING (NLG)

DFW INFLIGHT T2340/30DEC, AFTER TAKEOFF UNABLE TO RETRACT NOSE GEAR. AIRCRAFT RETURNED TO DFW AND LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED LEAKING SCHRADER VALVE AND SERVICED NOSE GEAR. SYSTEM GROUND CHECKED NORMAL OPERATION.

Part: DUCT — LOOSE (ANTI-ICE SYSTEM)

LAX - INFLIGHT DURING CLIMBOUT AT 4000 MEAN SEA LEVEL, LEFT ENGINE FIRE WARNING LIGHT ILLUMINATED. QUICK REFERENCE HANDBOOK PROCEDURES COMPLETED. SHUT DOWN ENGINE. NO BOTTLE FIRED. RETURNED TO LAX AND LANDED SINGLE ENGINE LANDING WITHOUT INCIDENT. FOUND DUCT SECTION LOOSE IN LEFT HAND COWL. REPLACED ANTI ICE DUCT ON LEFT HAND ENGINE UPPER COWL.

Part: BATTERY PACK — DISCHARGED (EMERGENCY LIGHTS)

CEILING EMERGENCY LIGHTS CENTER WING SECTION OF CABIN INOPERATIVE. REPLACED BATTERY PACK FOR CEILING EMERGENCY LIGHTS CENTER WING SECTION OF CABIN. SYSTEM GROUND CHECKED NORMAL OPERATION.

Part: PRESSURE SWITCH — INOPERATIVE (FUEL SYSTEM)

FUEL ANOMALY WITH CROSSFEED VALVE OPEN AND ONE LEFT FUEL PUMP OFF. FUEL IS BURNED FROM RIGHT TANK ONLY. ATTEMPTS TO TURN OFF BOTH LEFT PUMPS RESULTS IN LEFT LOW PRESSURE LIGHT ILLUMINATED. LANDED RDU WITHOUT INCIDENT. CHECKED FUEL CROSSFEED FROM LEFT TO RIGHT AND RIGHT TO LEFT. FOUND ALL TO BE NORMAL. FOUND LEFT PRESSURE INLET SWITCH WORKING INTERMITTENTLY. REPLACED FUEL PRESSURE SWITCH. SYSTEM GROUND CHECKED NORMAL OPERATION.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHT)

AFT EMERGENCY LIGHTS ON ATTENDANT SEAT INOPERATIVE. REPLACED BATTERY PACK FOR AFT EMERGENCY LIGHTS ON ATTENDANT SEAT. SYSTEM GROUND CHECKED NORMAL OPERATION. (CLOSED)

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHT)

BOTH RT AND LT OVERWING EMERGENCY EXIT LIGHTS INOPERATIVE. REPLACED BATTERY PACK FOR BOTH RT AND LT HAND OVERWING EMERGENCY EXIT LIGHTS. SYSTEM GROUND CHECKED NORMAL OPERATION. (CLOSED)

Part: BATTERY PACK — DISCHARGED (CABIN)

DFW - DURING OVERNIGHT MAINTENANCE, EMERGENCY EXIT LIGHTING INOPERATIVE AT SEAT ROWS 29 THROUGH 31. REPLACED BATTERY PACK. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)

Part: CLAMP — LOOSE (A/C BAY)

DFW - FLT 1347 - EN ROUTE STL-MSY, AT LEVEL OFF ALTITUDE 33,000 FEET, PRESSURIZATION FLOW LIGHT ILLUMINATED WITH RATE OF CLIMB AT MAXIMUM INDICATION. BOTH PACKS WERE IN AUTO WITH BOTH FLOW INDICATION AT LOW. INITIATED RAPID DESCENT AND DEPLOYED OXYGEN MASKS. NOTICED OUTLFOW VALVE WAS AT FULL CLOSED. WHEN AT LOWER ALTITUDE CABIN WAS STILL NOT PRESSURIZING, BUT RIGHT PACK FLOW INDICATION WAS AT 1:00 O'CLOCK POSITION AND LEFT FLOW CONTROL POSITION AS STILL AS LOW. TIGHTENDED CLAMP ON DUCT TO RIGHT TEMP CONTROL VALVE CLAMP. REPLACED OXYGEN GENERATORS IN CABIN/COCKPIT/LAVATORIES AND STOWED MASKS. REPLACED WATER COALESCER SEPARATOR BAGS. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)

Part: SEAT TRACK — CORRODED (FUSELAGE)

TUL - FOUND NR 2 TRACK HAS CORROSION AT STATION 1200. REMOVED AND REPLACED SEAT TRACK NR 2 FROM STATION 1180-1309 PER SRM 53-05, PAGE 10G, FIG 4F. (M)

Part: PAN — CORRODED (FUSELAGE)

TUL - FOUND CORROSION ON DOOR PAN HORIZONTAL AND VERTICAL LEGS. SPLICED IN NEW SECTION OF DOOR PAN PER SRM 53-05. (M)

Part: BATTERY PACK — INOPERATIVE (CABIN)

DFW - DURING OVERNIGHT MAINTENANCE, EMERGENCY EXIT LIGHTS AT SEATS 20-31 INOPERATIVE. REPLACED EMERGENCY EXIT LIGHTS BATTERIES FOR SEATS 20-31. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)

Part: LIGHT — DEFECTIVE (CABIN)

DFW - DURING OVERNIGHT MAINTENANCE, AFT OVERHEAD EMERGENCY EXIT LIGHT INOPERATIVE. REPAIRED AFT OVERHEAD EMERGENCY EXIT LIGHT CONNECTOR. SYSTEM GROUND CHECKED, NORMAL OPERATION. (X)

Part: COALESCER — CONTAMINATED (ACM BAY)

BNA - FLT 1133 - DURING INITIAL CLIMB-OUT FROM LGA, LEAVING 500 FT, CREW NOTED STRONG FUMES/ODOR IN COCKPIT AND FORWARD CABIN. ACCOMPLISHED AIR CONDITIONING SMOKE/FUMES EMERGENCY CHECKLIST. TURNED LEFT AIR CONDITIONING SUPPLY SWITCH OFF. PULLED RECIRCULATING FAN CONTROL CIRCUIT BREAKER (J-7). CONTINUED ON AND LANDED BNA WITHOUT INCIDENT. REPLACED BOTH COALESCER BAGS IN AIR CONDITIONING SYSTEM. ACCOMPLISHED PACK BURN OUT PROCEDURES PER MM. NO FUMES OR ODOR NOTED AFTER BAGS WERE CHANGED. NO RESIDUE IN COALESCER BAGS. RESET CIRCUIT BREAKER J-7 FOR RECIRCULATING FAN CONTROL. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)

Part: LIGHT — INOPERATIVE (CABIN)

DFW - DURING OVERNIGHT CHECK, EMERGENCY EXIT FLOOR PATH LIGHTING AT ROWS 21 AND 29 INOPERATIVE. REPLACED EMERGENCY EXIT FLOOR PATH LIGHT STRIP AT ROWS 21 AND 29. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)

Part: WATER PRESS LINE — LEAKING (AFT PRESS BLKHD)

SMF - FLT 1373 - AFTER TAKEOFF SMF DURING CLIMB-OUT, ELECTRICAL OR RUBBER ODOR NOTED IN AFT CABIN AREA. ACCOMP ABNORMAL PROCEDURES AND ODOR SUBSIDED WHEN GALLEY POWER AND RT PACK TURNED OFF. AIRCRAFT RETURNED TO SMF AND LANDED WITHOUT INCIDENT. PLACARDED POTABLE WATER SYS INOP DUE TO PRESS (AIR) LINE TO POTABLE WATER CHAFED AND LEAKING IN CABIN BETWEEN AFT LAVS ALLOWING HOT AIR TO BLOW ON RUBBER WASHER IN VICINITY OF LEAK. A/C MX FERRY SMF/DFW. REPLACED POTABLE WATER PERSSURE LINE. ACCOMP LEAK CK WITH NO DEFECTS FOUND. SYSTEM GROUND CHECKED NORM OP. (M)

Part: CONTROL CABLE — BROKEN (NR 5 LE FLAP)

DFW - DURING B-CHECK, NR 5 LEADING EDGE SLAT CABLE FOUND BROKEN. REPLACED NR 5 LEADING EDGE SLAT CABLE. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)

Part: SCHRADER VLV — DEFECTIVE (NLG STRUT)

ORD - FLT 1185 - AFTER TAKEOFF ORD WHEN LANDING GEAR RETRACTED, NOSE LANDING GEAR DID NOT RETRACT. RECYCLED LANDING GEAR WITH SAME RESULT. EXTENDED LANDING GEAR AND AIRCRAFT RETURNED TO ORD, LANDING WITHOUT INCIDENT. REPLACED NOSE LANDING GEAR STRUT SCHRADER VALVE. SERVICED NOSE GEAR STRUT WITH OIL AND NITROGEN. ACCOMPLISHED NOSE LANDING GEAR RETRACTION CHECK WITH NO DEFECTS FUOND. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)