N413US

Part: SKIN — CRACKED (PAX DOOR)

TPA - FOUND SKIN .250 INCH, UPPER HINGE CUTOUT ON MAIN ENTRY DOOR. INSTALLED DOUBLER PER SB 737-52-1096 ALSO EA NR 94248. (M)

Part: STIFFENER — CRACKED (FUSELAGE)

CLT - FOUND VERTICAL CHORD CRACKED IN TWO PLACES .25 INCH EACH, BS 178, WL 184 AND 195 AT LBL 5.7. DOUBLER INSTALLED PER EO 5300V155. (M)

Part: FRAME — CRACKED (FUSELAGE)

CLT - FOUND SIDE CHORDS .5 INCH, BS 178 WL 207 LEFT AND RIGHT SIDE. DAMAGE SECTION REMOVED, INSTALLED CHORD SPLICE REPAIR AND EXT SKIN STRAP PER EO 5300V157. (M)

Part: BULKHEAD — DAMAGED (FUSELAGE)

CLT - FOUND PRESSURE WEB WITH ELONGATED HOLES, .281 INCH TO .321 INCH, BS 178, WL 207. DAMAGE REMOVED, INSTALLED ACCESS HOLE DOUBLER PER EA 85146. (M)

Part: BULKHEAD — CRACKED (FUSELAGE)

CLT - FOUND PRESSURE WEB CRACKED .5 INCH, BS 178 WL 217 AT LBL 6. DAMAGE REMOVED, REPAIR DOUBLER INSTALLED PER EO 5300V153. (M)

Part: STRAP — DAMAGED (FUSELAGE)

CLT - FOUND VERTICAL STRAP .125 INCH, BS 178, WL 208, LBL 25. DAMAGE SECTION REMOVED, REPLACEMENT SECTION SPLICED IN WITH DOUBLER PER EA 85114. (M)

Part: SKIN — CRACKED (BS 727D)

CLT - FOUND SKIN CRACKED, BS 727D, LEFT SIDE, EMERGENCY LIGHT AFT OF WHEEL WELL. DAMAGE REMOVED, INSTALLED DOUBLER PER SRM 53-00-01, FIG 202. (M)

Part: SKIN — CRACKED (FS 727D)

PIT - FOUND SKIN CRACKED 2.5 INCHES, STRINGER 23R STATION 727D. CUT OUT DAMAGE, INSTALLED EXTERNAL DOUBLER PER EA 71032 AND SRM 53-00-01 FIG 202. (M)

Part: FRAME — CRACKED (FUSELAGE)

CLT - FOUND FRAME CRACKED .5 INCH, STATION 400 FRAME RIGHT SIDE BETWEEN STRINGER 8R AND 9R. REMOVED DAMAGED, REPAIRED TR 53-10-14. (M)

Part: BLADE — DAMAGED (LT & RT ENGINE)

BWI - FLT 1882 - EN ROUTE FROM CLT TO PHL, BOTH ENGINE VIBRATION INDICATORS APPROACHED NR 5. FLIGHT DIVERTED TO BWI AND LANDED WITHOUT FURTHER INCIDENT. UPON ARRIVAL, MAINTENANCE FOUND ACOUSTICAL PANELS BEHIND BOTH N1 FANS TORN. APPEARS ENGINES ENCOUNTERED MODERATE MIXED ICING. DURING INSPECTION OF THE ENGINES, MAINTENANCE FOUND THE LEFT ENGINE FAN BLADES NR 24 AND N 25 AND THE RIGHT ENGINE FAN BLADES NR 26 AND NR 28 OUT OF SERVICEABLE LIMITS PER MM 72-31-02. ALSO, FOUND 10 MID ACOUSTICAL PANELS, ON EACH ENGINE, DAMAGED BEYOND SERVICEABLE LIMITS. REMOVED AND REPLACED ENGINE FAN BLADES (P/N 1590M21P01) PER MM 72-31-02 AND MID ACOUSTICAL PANELS (P/N 335-011-904-0) PER MM 72-33-02. ALL ENGINE PARAMETERS NOR

Part: TRANSMITTER — FAILED (NR 2 ENGINE)

PHL - FLT 80 - EN ROUTE FROM PIT TO PHL, THE NR 2 ENGINE OIL PRESSURE DROPPED TO 20 PSI, THEN TO RED RADIAL. OIL TEMPERATURE AND OIL QUANTITY WERE BOTH NORMAL. CREW FOLLOWED CHECKLIST, SHUT DOWN THE NR 2 ENGINE IN FLIGHT AND DECLARED EMERGENCY. CREW NOTED THAT LOW OIL PRESSURE LIGHT NEVER ILLUMINATED. FLIGHT LANDED AT PHL WITHOUT FURTHER INCIDENT. TOTAL SINGLE ENGINE TIME WAS 20 MINUTES. MAINTENANCE REMOVED AND REPLACED THE NR 2 ENGINE OIL PRESSURE TRANSMITTER. OPS CHECK AND LEAK CHECK GOOD. (M)

Part: WIRE — BROKEN (TRANSMITTER)

CLT - FLT 1620 - ON FINAL APPROACH, AT FL030, A FLAP ASYMMETRY OCCURRED. AS CREW EXTENDED FLAPS FROM 5 TO 10 DEGREES, RIGHT FLAP NEEDLE WENT OT 10 DEGREES AND LEFT FLAP NEEDLE REMAINED AT 5 DEGREES. CREW TRIED TO BRING FLAPS UP BUT THEY WOULD NOT RETRACT. CREW EXECUTED A GO-AROUND, ACCOMPLISHED QUICK REF HANDBOOK PROCEDURES AND DECLARED AN EMERGENCY. FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPAIRED BROKEN WIRES AT PINS 1 AND 2 OF THE RIGHT WING FLAP POSITION TRANSMITTER. OPERATIONAL CHECK GOOD. (M)

Part: CONTROLLER — FAILED (E/E BAY)

BDL - FLT 519 - DURING CLIMB-OUT FROM BDL, AT APPROXIMATELY FL210, THE CABIN WARNING HORN SOUNDED. NO OTHER WARNING INDICATORS ILLUMINATED. CABIN ALTITUDE WAS CLIMBING THROUGH 12,000 AS PRESSURE DIFFERENTIAL WAS 4.2 PSI AND RATE OF CLIMB WAS APPROXIMATELY 500 FT PER MINUTE. FLT RETURNED TO FIELD AT BDL AND LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. MAINTENANCE CHECKED THE EXTERIOR OF AIRCRAFT FOR DAMAGE. NONE FOUND. REMOVED AND REPLACED CABIN PRESSURE CONTROLLER AND PERFORMED SATISFACTORY PRESSURIZATION CONTROL SYSTEM TEST PER MM 21-31-00. (M)

Part: CONNECTOR — LOOSE (ROW 6A)

TPA - MAINTENANCE FOUND THE EMERGENCY AISLE LIGHTING AT SEAT ROW 6A AND THE FIRST CLASS CABINET, LEFT SIDE INOPERATIVE. MAINTENANCE FOUND THE CANNON PLUG AT THE FIRST CLASS CABINET, LEFT SIDE, DISCONNECTED. RECONNECTED CANNON PLUG. OPERATIONAL CHECK GOOD. (M)

Part: WEB — CORRODED (CARGO DOORWAY)

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND A 14 INCH BY 30 INCH AREA OF SPOTTED CORROSION UNDER AFT CARGO SILL PANEL WEB. CORROSION TASK NR C53-202-07. REMOVED AND REPLACED PER SRM 51-10-02. (M)

Part: BULKHEAD — CORRODED (BS 1016)

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND A 6 INCH AREA OF CORROSION AT PRESSURE BULKHEAD RT OF BL 0 JUST AFT STATION 1016. INSTALLED DOUBLER PER SRM 53-80-08. (M)

Part: FRAME — CRACKED (BS 747)

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND A .5 INCH CRACK IN FRAME AT BS 747 BETWEEN STRINGER 8R AND STRINGER 9R. REPAIRED DOUBLER PER EA 64326 AND SRM 53-00-07 FIG 202. (M)

Part: FLOORBEAM — CORRODED (BS 947.530767)

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND A 32 INCH AREA OF CORROSION AT STATION 947.5 LT AND RT OF BL 0 FLOORBEAM. REPAIRED 'T' CAP PER TR 53-60-02. (M)

Part: BEAM — CORRODED (BS 328)

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND A 1 INCH SPOT OF SURFACE CORROSION AT FS 328 RBL 40 BEAM, CORROSION TASK NR C53-107-02. SPLICED IN NEW SECTION OF T-CAP PER SRM 53-10-51. (M)

Part: FRAME — CRACKED (BS 787)

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND A .5 INCH CRACK AT BS 787 BETWEEN STRINGER 8R AND STRINGER 9R FRAME. INSTALLED DOUBLER PER SRM 53-00-07 FIG 202 AND EA 64326. (M)

Part: ANGLE — CRACKED (BS 294.5)

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND A 1 INCH CRACK IN RADIUS AT STATION 294.5 RBL 54.75 WL 208 ANGLE. INSTALLED DOUBLER ANGLE PER SRM 51-70-11. (M)

Part: BEAM — CORRODED (BS 312)

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND AN AREA OF SURFACE CORROSION SPOTS APPROX 1 INCH AT FS 312, LBBL 24 TO RBBL 12. CORROSION TASK NR C53-107-02. SPLICED IN NEW SECTION OF 'T' CAP PER SRM 53-10-51. (M)

Part: FRAME — CRACKED (BS 907)

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND A .5 INCH CRACK AT BS 907 BETWEEN STRINGER 8R AND STRINGER 9R FRAME. INSTALLED DOUBLER PER SRM 53-00-07 FIG 202 AND EA 64326. (M)

Part: BULKHEAD — CRACKED (BS 178)

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND A 1.5 INCH CRACK AT BS 178 RBL .5 WL 188 BULKHEAD WEB. INSTALLED DOUBLER PER SRM 53-10-08. (M)

Part: TIE CLIP — CRACKED (BS 767)

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND A .25 INCH CRACK AT TIE CLIP STATION 767 STRINGER 26L. REMOVED AND REPLACED STRINGER TIE CLIP PER SRM 51-10-2. (M)

Part: FRAME — CRACKED (BS 727F)

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND A .5 INCH CRACK IN FRAME AT BS 727F BETWEEN STRINGER 8R AND 9R. DOUBLER REPAIRED PER SRM 53-00-07 GIF 202. (M)

Part: WEB — CRACKED (BS 178)

CLT - DURING Q-2 CHECK VISUAL INSPECTIOIN, FOUND A CRACK .5 INCH VERTICAL ON WEB AT STATION 178 RBL 4.5 WL 198 BULKHEAD WEB. INSTALLED DOUBLER AND FILLER PER T/R 53-10-07 REV A. (M)

Part: FRAME — CRACKED (BS 727F)

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND A .25 INCH CRACK AT BS 727F BETWEEN STRINGER 8L AND 9L FRAME. INSTALLED DOUBLER PER SRM 53-00-07, SRM 53-30-07, 53-60-07 AND EA 64326. (M)

Part: FRAME — CRACKED (BS 400)

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND A .375 INCH CRACK IN FRAME AT BS 400 BETWEEN STRINGER 8L AND STRINGER 9. FABRICATED DOUBLER AND INSTALLED PER EA 64326. (M)

Part: BULKHEAD WEB — CORRODED (BS 1016)

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND CORROSION AFT PRESSURE BULKHEAD DOME WEB STIFFENER AT BOTTOM OF BL 0 STATION 1016. INSTALLED REPAIR STIFFENER AND REPAIR SPLICES PER SRM 53-70-11. (M)

Part: FLOOR — CRACKED (BS 663.75)

CLT - DURING Q-2 CHECK, NDT VISUAL INSPECTION, FOUND A .75 INCH CRACK AT BS 663.75 LBL 32 FLOOR. INSTALLED DOUBLER PER EA 64378. (M)

Part: FRAME — CRACKED (BS 727)

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND A .5 INCH CRACK IN FRAME AT BS 727A BETWEEN STRINGER 8R AND STRINGER 9R. REPAIRED DOUBLER PER EA 64326 AND SRM 53-00-07 FIG 202. (M)

Part: BEAM — CORRODED (BS 344)

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND SURFACE CORROSION FS 344 BL 0 TO LBBL 10 BEAM. CORROSION TASK NR C53-107-02. INSTALLED T-CHORD PER EA 64363 AND TR 53-10-03. (M)

Part: FRAME — CRACKED (BS 867)

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND A .375 INCH CRACK AT BS 867 BETWEEN STRINGER 8L AND 9L FRAME. INSTALLED DOUBLER PER SRM 53-00-07 AND EA 64326. (M)

Part: FLOORBEAM — CORRODED (BS 787-847)

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND A 1 INCH AREA OF SPOTTED CORROSION FROM STATION 787 TO 847 RBL 14 FLOORBEAM. CORROSION TASK NR C53-208-01. REMOVED AND REPLACED PER TR 53-00-53. (M)

Part: ANGLE — CORRODED (BS 270-344)

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND A 26 INCH AREA OF CORROSION AT FORWARD ENTRY DOOR THRESHOLD 'Z' ANGLE F/S 270 TO FS 344 LBBL 55. REMOVED AND REPLACED 'Z' ANGLE PER REPAIR DOCUMENT 51-70-13. (M)

Part: FLOORBEAM — CORRODED (BS 986.5)

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND CORROSION AT STATION 986.5 ALONG ENTIRE FLOORBEAM CORROSION TASK NR C53-107-02. INSTALLED NEW T-CAP, STRAPS, AND SPLICE PER TR 53-60-01. (M)

Part: FRAME — CRACKED (BS 827)

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND A .25 INCH CRACK AT BS 827 BETWEEN STRINGER 8L AND 9L FRAME. INSTALLED FILLER AND DOUBLER PER SRM 53-00-07, 53-30-07, 53-60-07 AND EA 64326. (M)

Part: FRAME — CRACKED (BS 867)

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND A .5 INCH CRACK AT BS 867 BETWEEN STRINGER 8R AND STRINGER 9R FRAME. INSTALLED DOUBLER PER SRM 53-00-07 FIG 202 AND EA 64326. (M)

Part: STRAP — CORRODED (BS 780-847)

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND A 2 INCH BY 67 INCH AREA OF SPOTTED CORROSION AT RBL 20 STATION 780-847 STRAP. INSTALLED NEW STRAP PER SRM 51-10-02. (M)

Part: WEB — CRACKED (BS 178)

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND A .5 INCH CRACK AT STATION 178 LBL 4.5 W/L 201 WEB. FABRICATED AND INSTALLED DOUBLER PER EA 6420. (M)

Part: FRAME — CRACKED (BS 727)

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND A .5 INCH CRACK IN FRAME AT BS 727D BETWEEN STRINGER 8L AND STRINGER 9L. REPAIRED DOUBLER PER EA 64326 AND SRM 53-00-07 FIG 202. (M)

Part: BULKHEAD — CORRODED (BS 1016)

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND A 5.3 INCH BY 3.5 INCH AREA OF CORROSION AT RBL 3 STATION 1016 PLUS 5 INCHES BL 0 PRESS BULKHEAD. INSTALLED DOUBLER PER SRM 53-80-08. (M)

Part: FRAME — CRACKED (BS 747)

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND A 9 INCH CRACK IN FRAME AT BS 747 BETWEEN STRINGER 8L AND STRINGER 9L. INSTALLED DOUBLER PER EA 64326. (M)

Part: WEB — CRACKED (BS 178)

CLT - DURNG Q-2 CHECK VISUAL INSPECTION, FOUND A CRACK .5 INCH VERTICAL ON WEB AT STATION 178 RBL 4.5 WL 201 BULKHEAD WEB. INSTALLED DOUBLER AND FILLER PER T/R 53-10-07 REV A. (M)

Part: BULKHEAD ANGLE — DRILL MARKS (BS 1030)

CLT - DURING Q-2 CHECK, FOUND 3 PLACES .125 INCH DRILL MARKS AT BS 1030 RBL 23 (UNDER FLOOR ATTACH ANGLE) AT 1016 PRESSURE BULKHEAD. BLENDED AREAS/DRILLED HOLE AT DAMAGE AND RIVETS INSTALLED PER SRM 53-80-08. (M)

Part: BULKHEAD — CORRODED (AFT PRESS BLKHD)

CLT - DURING Q-2 CHECK, FOUND 3 INCHES OF CORROSION AT BL 0 AFT OF 1016 ON WEB OF PRESSURE BULKHEAD, CORROSION LEVEL 2. INSTALLED WEB STIFFENER PER SRM 53-80-08. (M)

Part: BULKHEAD — CORRODED (AFT PRESS BLKHD)

CLT - DURING Q-2 CHECK, FOUND 4INCH BY 10 INCH CORROSION AT STRINGER 27R TO 27L AT BOTTOM OF AFT PRESSURE BULKHEAD. CORROSION TASK NR C53-202-1. CORROSION LEVEL 2. INSTALLED DOUBLER PER SRM 53-80-08. (M)

Part: SWITCH — MALFUNCTIONED (APU)

BWI - FLT 1168, FLIGHT DEPARTED BWI WITH THE NR 1 GENERATOR ON MEL. AT APPROXIMATELY FL230, THE APU SHUTDOWN AUTOMATICALLY DUE TO AN OVERSPEED LIGHT WAS ILLUMINATED. FLIGHT RETURNED TO FIELD AT BWI SINCE THE AIRCRAFT WAS DOWN TO ONE ELECTRICAL SOURCE. FLIGHT LANDED WITHOUT INCIDENT. NO EMERGENCY WAS DECLARED. MAINTENANCE RAN THE APU AND OPERATED THE SYSTEM UNDER LOAD. CHECKS OK. CHECKED APU OIL LEVEL. CHECKED GOOD. REPLACED APU THREE SPEED SWITCH AND THE APU M280 MODULE AS PRECAUTIONARY. APU STARTED AND LOAD CHECKS OK. (M)

Part: MODULE — MALFUNCTIONED (APU)

BWI - FLT 1168, FLIGHT DEPARTED BWI WITH THE NR 1 GENERATOR ON MEL. AT APPROXIMATELY FL230, THE APU SHUTDOWN AUTOMATICALLY DUE TO AN OVERSPEED LIGHT WAS ILLUMINATED. FLIGHT RETURNED TO FIELD AT BWI SINCE THE AIRCRAFT WAS DOWN TO ONE ELECTRICAL SOURCE. FLIGHT LANDED WITHOUT INCIDENT. NO EMERGENCY WAS DECLARED. MAINTENANCE RAN THE APU AND OPERATED THE SYSTEM UNDER LOAD. CHECKS OK. CHECKED APU OIL LEVEL. CHECKED GOOD. REPLACED APU THREE SPEED SWITCH AND THE APU M280 MODULE AS PRECAUTIONARY. APU STARTED AND LOAD CHECKS OK. (M)

Part: TRANSFORMER — FAILED (NLG WW)

PHL - FLT 162 - SHORTLY AFTER T/O, THE NR 1 TRANSFORMER RECTIFIER C/B TRIPPED FOLLOWED BY THE BATTERY CHARGER AND THE 'B' SYSTEM ELECTRIC HYDRAULIC PUMP. WITHIN 10 MINUTES, THE NR 1 ELECTRIC BUS TRIPPED FOLLOWED BY THE AC STANDBY BUS, EQUIPMENT COOLING NORMAL BLOWER AND FCC DC BREAKER AND THE NR 2 TRANSFORMER RECTIFIER. FLIGHT RETURNED TO FIELD AT PHL AND LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. THE APU WAS ON MEL AT THE TIME. MAINTENANCE REMOVED AND REPLACED THE NR 1 GENERATOR CONTROL BREAKER C801. RAN ENGINES FOR EXTENDED TIME TO CHECK NR 1 GENERATOR AND RELATED SYSTEMS. OPS CHECKED GOOD. (M)

Part: RECTIFIER — FAILED (NLG WW)

PHL - FLT 162 - SHORTLY AFTER T/O, THE NR 1 TRANSFORMER RECTIFIER C/B TRIPPED FOLLOWED BY THE BATTERY CHARGER AND THE 'B' SYSTEM ELECTRIC HYDRAULIC PUMP. WITHIN 10 MINUTES, THE NR 1 ELECTRIC BUS TRIPPED FOLLOWED BY THE AC STANDBY BUS, EQUIPMENT COOLING NORMAL BLOWER AND FCC DC BREAKER AND THE NR 2 TRANSFORMER RECTIFIER. FLIGHT RETURNED TO FIELD AT PHL AND LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. THE APU WAS ON MEL AT THE TIME. MAINTENANCE REMOVED AND REPLACED THE NR 1 GENERATOR CONTROL BREAKER C801. RAN ENGINES FOR EXTENDED TIME TO CHECK NR 1 GENERATOR AND RELATED SYSTEMS. OPS CHECKED GOOD. (M)

Part: CONTROL VALVE — MALFUNCTIONED (RT PACK)

CLT - FLT 2250 - DURING APPROACH, PILOT REPORTED A FOUL OIL SMELL CAME FROM THE AIR CONDITIONING PACKS INTO THE CABIN AS THE FLAPS WERE LOWERED. FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE RIGHT PACK TURBOFAN AND TURBOFAN CONTROL VALVE. SYSTEM LEAK CHECK AND OPS CHECK GOOD. NO FURTHER OIL SMELL NOTED THROUGHOUT CABIN. REF: OPERATOR CONTROL NR USAASB98127.

Part: TURBOFAN — MALFUNCTIONED (RT PACK)

CLT - FLT 2250 - DURING APPROACH, PILOT REPORTED A FOUL OIL SMELL CAME FROM THE AIR CONDITIONING PACKS INTO THE CABIN AS THE FLAPS WERE LOWERED. FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE RIGHT PACK TURBOFAN AND TURBOFAN CONTROL VALVE. SYSTEM LEAK CHECK AND OPS CHECK GOOD. NO FURTHER OIL SMELL NOTED THROUGHOUT CABIN. REF: OPERATOR CONTROL NR 98ZZZX2341. (X)

Part: SWITCH — DIRTY (TE FLAPS)

DCA - FL 826 - WHILE EXTENDING FLAPS BETWEEN 1 AND 5 DEGREE GEAR WARNING HORN SOUNDED. UNABLE TO SILENCE UNTIL GEAR WAS EXTENDED. RECYCLED WITH SAME RESULTS. MAINTENANCE CLEANED 10 DEGREE SWITCH (S138), PERFORMED GROUND TEST PER MM 31-26-00. SYSTEM CHECKS GOOD. (M)

Part: FUSE — BLOWN (FORWARD CABIN)

TPA - MAINTENANCE FOUND THE EMERGENCY AISLE LIGHT AT SEAT ROW 1D INOP. MAINTENANCE REMOVED AND REPLACED THE 5 AMP FUSE ON THE BATTERY CHARGER. OPS CHECK GOOD. (M)

Part: BATTERY CHARGER — FAILED (CABIN)

ORD - MAINTENANCE FOUND THE EMERGENCY AISLE LIGHT AT SEAT 1D OVERHEAD BIN INOP. MAINTENANCE RELAMPED LIGHT WITH NO HELP. CHECKED WIRING TO BATTERY CHARGER. CHECKED GOOD. REMOVED AND REPLACED BATTERY CHARGER. OPS CHECK GOOD. (M)

Part: INDICATOR LIGHT — DEFECTIVE (LT MLG)

PHX - FL155, WHILE ON APPROACH TO PHX, FOLLOWING GEAR EXTENSION, THE CREW OBSERVED GREEN LIGHTS FOR THE RIGHT MAIN LANDING GEAR AND THE NOSE LANDING GEAR, BUT A RED LIGHT FOR THE LEFT MAIN LANDING GEAR. RECYCLED THE GEAR AND THEN OBSERVED NO LIGHTS AT ALL FOR ALL THREE GEAR. THIS WAS FOLLOWED BY A VISUAL DOWNLOCK CHECK AND A TOWER FLYBY. CAPTAIN DECLARED AN EMERGENCY AND THE FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND THE LIGHT CAPSULE FOR THE LEFT MAIN LANDING GEAR SAFE (GREEN) LIGHT SHORTING OUT, CAUSING THE MASTER CAUTION 'SECTION 5' CIRCUIT BREAKER TO TRIP. REPLACED LIGHT CAPSULE. COCKPIT LIGHTING AND OPERATIONAL CHECK NORMAL. (M)

Part: CIRCUIT CARD — FAILED (LT MLG)

FLL - FL 2169 - ON DESCENT INTO FLL, CREW RECEIVED NO GREEN LIGHT INDICATION FOR THE LEFT MAIN LANDING GEAR DURING GEAR EXTENSION. CAPTAIN RECYCLED GEAR AND AIR GROUND RELAY AND LIGHTS CIRCUIT BREAKER POPPED. CAPTAIN RESET CIRCUIT BREAKER AND RECEIVED ALL NORMAL GEAR INDICATIONS. VISUAL INSPECTION THROUGH VIEW PORTS, GO AROUND AND TOWER FLYBY CONFIRMED GEAR WAS DOWN AND LOCKED. NO EMERGENCY WAS DECLARED AND THE FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE TROUBLESHOT SYSTEM USING MM 32-61-00 AND 32-09-20 PAGE 413. FOUND CIRCUIT CARD M987 FOR THE LEFT GEAR DOWN AND LOCKED DEFECTIVE. REPLACED SAME. SYSTEM OPS CHECK GOOD. (M)

Part: HYDRAULIC PUMP — FAILED (LT MLG WW)

BWI - FL 1282 - THE 'A' HYDRAULIC SYSTEM OVERHEAT LIGHT ILLUMINATED DURING FLIGHT. CREW TURNED PUMP OFF AND AFTER FIVE MINUTES, LIGHT WENT OUT. HYDRAULIC QTY AND PRESSURE WERE NORMAL. FLIGHT DIVERTED TO BWI AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE 'A' SYSTEM ELECTRIC HYDRAULIC PUMP AND CASE DRAIN FILTER. SERVICED 'A' HYDRAULIC SYSTEM RESERVOIR. OPS CHECK GOOD. (M)

Part: POWER SUPPLY — CABIN

CLE - MAINTENANCE FOUND THE FORWARD RIGHT BULLNOSE EMERGENCY LIGHT INOP. MAINTENANCE REMOVED AND REPLACED THE POWER SUPPLY IN THE FORWARD OVERHEAD CABIN. OPS CHECK GOOD. (M)