N523US

Part: STRINGER — DAMAGED (BS 1420-1440) · airframe 86,704 hrs · 37,686 cycles

STRINGER 29R, BETWEEN BS 1420 - 1440 DAMAGED. REPAIRED IAW ER/A 517912-14.

Part: STRINGER — CORRODED (BS 1420) · corrosion level 2 · airframe 83,592 hrs · 35,785 cycles

CORROSION ON STRINGER 29R AT BS 1420 REMOVED STRINGER 29R BETWEEN BS 1405-1430 STARTED DRILLING NEW STRINGER SECTION IAW SRM 53-00-03, REPAIR 1, FIG 201. C/W HFEC INSPECTION NDT PART 6-51-00-16. NO ITEMS COMPLETED FABRICATION OF REPAIR PARTS IAW SRM 53-00-03, FIG 201. INSTALLED REPAIR.

Part: SKIN — DAMAGED (BS 1420) · airframe 83,592 hrs · 35,785 cycles

SEVERAL RIVETS DAMAGED ON BELLY BELOW C2 CARGO DOOR. BS 1420, COMPLIED WITH ERA ORIG 517912-14.

Part: LENS — DAMAGED (EMERGENCY LIGHT) · airframe 83,488 hrs · 35,741 cycles

EMERGENCY LIGHT LENS DAMAGED 29D. INSTALLED A NEW LENS.

Part: LIGHT — DAMAGED (CABIN) · airframe 82,338 hrs · 35,003 cycles

PLASTIC COVER OVER EMERGENCY LIGHTS DAMAGED. INSTALLED COVER. LIGHT AT 31E INOPERATIVE. LIGHT REPLACED IAW AMM 33-51. OPS CHECKED OK.

Part: WIRE — BROKEN (EMERGENCY LIGHTS) · airframe 81,519 hrs · 34,442 cycles

EMERGENCY EXIT PATH TRACK LIGHTING IS OUT FROM ROWS 15 THRU 22. REPAIRED BROKEN WIRE AT ROW 16 IAW SWPM 20-30. OPS CHECKED NORMAL. OK FOR SERVICE.

Part: FAIRING — DAMAGED (FUSELAGE) · airframe 77,373 hrs · 32,039 cycles

DAMAGE TO LEFT BODY FAIRING PANEL 191AL IAW ER/A 491594-14 MADE TEMP REPAIR. REFERENCE LOG PAGE 0332195. ER/A 491594 SECTION I ISSUED FOR WING TO BODY FAIRING DAMAGE, PANEL 191AL AT BS 800. ASSOCIATED ER/A CHANGED FROM 13-491594 TO 14-491594 FOR AC 5523 APPLIED PERMANENT REPAIR IAW EA 491594-14. REPAIRED FACE SHEET AND CORE DAMAGE PER SRM 53-00-70 FIG 201. REPAIRED THORSTRAND OUTER LAYER PER SRM 51-70-14 -189577. OK FOR SERVICE LRU: 55-2000-9-0001 SER: 05523 MON, 55 L/L, 8066575; 1C; ERA491594; SEC II;5523 20-0553-8-4648 05523.

Part: FITTING — CORRODED (FUSELAGE) · airframe 77,328 hrs · 32,009 cycles

L-1 DOOR LWR SILL THRESHOLD SUPPORT STRUCTURE WEB FITTINGS AND ANGLES LITE CORROSION STA 333-377 LBL 63. ORIGINAL MATERIAL WAS .050" LENGTH WAS 15"WIDTH 1" DEPTH WAS .011". GAINED ACCESS PER B757 SRM 51-40-02. FABRICATED, LOCATED, DRILLED AND INSTALLED V CHANNEL LWR SILL FROM TRAVELER 141X18322-12 AND DWG 141N8322 PER SRM 51-40-02 PG:3 RESTORED ALL PARTS WEB CHANNELS AND 2 FITTINGS PER SRM 51-40-02 PG:4.

Part: INTERCOSTAL — CORRODED (FUSELAGE) · airframe 77,328 hrs · 32,009 cycles

FWD CARGO INTERCOSTAL CORRODED STA 540-560 BETWEEN STR 26-27 R. FABRICATED AND REPLACED FWD CARGO INTERCOSTAL AT STA 540-560 STR 26-27R IAW SRM 51-40-02 PG:1, 2 AND 7.

Part: GUIDE — CORRODED (L1 DOOR) · airframe 77,328 hrs · 32,009 cycles

1 DOOR SLIDE GIRT BAR ALIGNMENT GUIDE IS EXFOLIATED. REMOVED AND REPLACED L1 DOOR SLIDE GIRT BAR ALIGNMENT GUIDE (RETAINER PLATE) PER CARD 2561-01257-01A, STEP 12 C.

Part: INTERCOSTAL — CORRODED (FUSELAGE) · airframe 77,328 hrs · 32,009 cycles

FWD CARGO INTERCOSTAL CORRODED STA 740-760 O/B OF STR. REMOVED CORROSION OUT OF LIMITS IAW B757 SRM 53-00-04. REMOVED INTERCOSTAL AND CUT OUT DAMAGED AREA PER 757 SRM 51-40-02 AND 51-70-11, FABBED DOUBLER REPAIR LOCATED, DRILLED, DEBURRED INSTALLED INTERCOSTAL IAW B757 SRM 51-40-02.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 77,328 hrs · 32,009 cycles

SEAT TRACK AREAS OF LITE CORROSION STA 700 TO 780 LBL-45. SEAT TRACK CROWN AT STA 762 IS OUT OF LIMITS IAW SRM 53-00-52. REMOVED SEAT TRACK IAW SRM 51-40-02, RECEIVED NEW SEAT TRACK LOCATED & DRILLED SEAT TRACK IAW SRM 51-40-05. INSTALLED SEAT TRACK IAW SRM 51-40-04.

Part: WEB — CORRODED (FUSELAGE) · airframe 77,328 hrs · 32,009 cycles

AFT GALLEY AREA FLOOR WEB HAS CORROSION STA 1680 TO BL-0 TO RBL-60. REMOVED CORROSION ON STA 1680 TO 1720 BETWEEN BL-0 TO RBL-60 IAW SRM 53-60-51 PG 201. NDT FOUND NO CRACKS AND FOUND MAT LOSS AT STA 1716 RBL 2 STA 1682 RBL 19 TO 24 WITHIN LIMITS IAW SRM 53-00-51. AT STA 1716 RBL OUT OF LIMITS IAW SRM 53-00-51. FABBED DOUBLERS IAW SRM 53-60-51 INST DOUBLERS IAW SRM 51-40-02 PG 2. REMOVED AND REPLACED FASTENERS IAW SRM 51-40-02 PG2.

Part: WEB — CORRODED (FUSELAGE) · airframe 77,328 hrs · 23,617 cycles

AFT GALLEY AREA FLOOR WEBB HAS CORROSION STA 1680 TO 1720 BETWEEN BL-0 TO LBL-60. REMOVED CORR IAW SRM 53-60-51. NDT NO CRACKS AND MAT LOSS ON STA 1716, STA 1716-1707, STA 1685, STA 1683 LBL 38 ,LBL 28 ,STA 1682 LBL 17, STA 1700-1694 LBL 25-18 AND STA 1698-1690 LBL 28, IN LIMITS IAW SRM 53-00-51. MAT LOSS ON STA 1716 LBL 24 OUT OF LIMITS IAW SRM 53-00-51. FABBED DOUBLER IAW SRM 53-60-51. INST REPAIR DOUBLER ON STA 1716 LBL 24 IAW SRM 51-40-02.

Part: SKIN — DENTED (FUSELAGE) · airframe 77,328 hrs · 32,009 cycles

DURING INSP OF LOG PAGE 2969760 FOUND DENT OVER S16L AT STA 414. CUT OUT DAMAGE AREA ON SKIN FROM B STA 409-414 STR 16L AND INST .071" THK REPAIR DOUBLER AND FILLER .06 3" THK PER SRM 53-00-01. INSP TO START AT 69,509 FLIGHT CYCLES WITH REPEAT INSP EVERY 3000 FLIGHT CYCLES, INSP TO BE LFEC OF SKIN AROUND THE FIRST ROW OF FASTENERS ALONG THE EDGE OF THE DOUBLER REF NDT PART 6 53-00-06 AND SRM 53-00-01.

Part: BUSHING — WORN (LT ELEVATOR) · airframe 77,328 hrs · 32,009 cycles

LT ELEVATOR OTBD HINGE TO SPAR ATTACH BOLTS AND BUSHINGS WORN. REMOVED AND REPLACED OTBD HINGE AT LT ELEVATOR OTBD POSITION PER AMM 27-31-01-401-926A-A. OPS CHECK TO BE C/W ON TC NR 2910-4001.

Part: SUPPORT — CORRODED (FUSELAGE) · airframe 77,328 hrs · 32,009 cycles

SEAT TRACK SUPPORT STRUCTURE HAS CORROSION, STA 365, RBL 45. REPAIRED SEAT TRACK SUPPORT STRUCTURE AT STA 365, RBL 45, IAW B757-A-53-01-801-663A-A.

Part: SUPPORT — CORRODED (FUSELAGE) · airframe 77,328 hrs · 32,009 cycles

SEAT TRACK SUPPORT STRUCTURE EXISTING REPAIR HAS CORROSION STA 365, RBL24. REMOVED AND REPLACED EXISTING REPAIR ON SEAT TRACK SUPPORT STRUCTURE STA 365, RBL 24, IAW B757-A-53-15-01-801-663A-A.

Part: SKIN — PUNCTURED (LE SLAT) · airframe 77,328 hrs · 32,009 cycles

PUNCTURE ON SLAT 5, T/E WEDGE LOWER SURFACE, 30 INCHES FROM INBD END 093-03. REPAIRED DISCREPANT AREAS ON NR 5 SLAT T/E WEDGE, UPPER AND LOWER SURFACE IAW SRM 51-70-10, PG 212, PARA 7, PG 214, PARA 8, SRM 57-43-02 P11, ITEM 6, SRM 51-70-10, P237-244, PARA 14 AND 15, SRM 51-20-10, PGS 216-221, PARA 9, TABLE 203, SRM 51-70-10, PG 214, FIG 202, PROCESS STANDARD 900-5-1, NR 4, SRM 51-70-10, PG 256, TABLE 208, SRM 51-70-10P 202, FIG 201, B757 AMM TASK NR 51-21-04-107-017, PGS 3-8, PARA E/F, B757 AMM TASK NR 51-21-10-377-003, PGS 1-3, PARA C,TABLE 70 1, B757 AMM TASK NR 51-31-01-392-039, PGS 15 AND 16,

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 76,752 hrs · 31,689 cycles

DURING L-CHECK FOUND CORROSION ON FLOORBEAM UPPER CAP AT BS 1640 RBL 53 TO BL 0. REPAIRED PER ERA 486850-14 REV 0.

Part: SCUFF PLATE — CORRODED (FUSELAGE) · corrosion level 2 · airframe 76,752 hrs · 31,689 cycles

DURING L-CHECK FOUND CORROSION ON L2 DOOR SCUFF PLATE TO FLOOR PANEL SUPPORT Z-ANGLE. REPAIRED PER ERA 486856-14 REV 0.

Part: INTERCOSTAL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 76,752 hrs · 31,689 cycles

DURING L-CHECK FOUND CORROSION ON INTERCOSTAL AT BS 1660 TO BS 1680 BL 0. REPAIRED PER SRM 51-40-02, SRM 53-00-51.

Part: SILL — CORRODED · corrosion level 2 · airframe 76,752 hrs · 31 cycles

DURING LINE CHECK, FOUND L2 DOOR UPPER SURFACE OF THE LOWER MAIN SILL INNER CHORD BETWEEN BS 704-711, AT WL 208.10 WAS FOUND CORRODED. SECTION I OF ER/A 486856-14 ISSUED FOR CORROSION REPAIR AT L2 DOOR UPPER SURFACE OF LOWER MAIN SILL INNER CHORD BETWEEN BS 704-711. FOLLOW ON ACTION REQUIRED. ACCOMPLISH SECTION II, PERMANENT REPAIR THE SOONER OF 365 DAYS OR 3000 FLIGHT CYCLES. REMOVED AND REPLACED L-2 DOOR UPPER SURFACE OF THE LOWER MAIN SILL INNER CHORD BETWEEN BS 708-715 P/N 55-5300-3-4641 BATCH NR 0001 988114 IAW SRM 51-40-02 PG:21 FIG 4 COMPLIED WITH ERA 486856-14 REV.ORIG SECT 2 PERM REPAIR ACCOMPLISHED.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · corrosion level 2 · airframe 26,270 hrs · 3,694 cycles

DURING L-CHECK FOUND CORROSION ON MAIN CABIN FLOOR SUPPORT CHANNEL AT BS 1661 - BS 1671 LBL 58. REPAIRED PER SRM 51-40-02 PAGES 1-12, SRM 53-00-51- PAGE 101 TO 103.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · corrosion level 2 · airframe 26,270 hrs · 3,694 cycles

DURING L-CHECK FOUND CORROSION ON R4 DOOR THRESHOLD SUPPORT STRUCTURE ASSEMBLY BS 1640 TO BS 1680. REMOVED AND REPLACED PER SRM 51-40-02.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · corrosion level 2 · airframe 26,270 hrs · 3,694 cycles

DURING L-CHECK FOUND CORROSION ON MAIN CABIN FLOOR SUPPORT CHANNEL AT BS 1640 TO BS 1661 BL 0. REPAIRED PER SRM 51-40-02.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 76,752 hrs · 31,689 cycles

DURING L-CHECK FOUND CORROSION ON MAIN CABIN FLOORBEAM UPPER CAP UNDER FLOOR PANEL 104C AND 107A FROM BL 0 TO RBL 53. REPAIRED PER SRM 53-60-51 DETAIL 111 PAGE 7, DWG 148N216, SRM 51-40-02 PAGE 7.

Part: SKIN — CRACKED (LE SLAT) · airframe 76,752 hrs · 31,689 cycles

DURING L-CHECK FOUND CRACK IN LEFT WING NR 2 LEADING EDGE SLATE LOWER SKIN JUST FORWARD ON OUTBOARD MAIN SLAT TRACK. REPAIRED PER SRM 57-70-13 PAGES 1 & 2.

Part: SKIN — DAMAGED (AILERON) · airframe 76,752 hrs · 31,689 cycles

DURING L-CHECK FOUND DAMAGE AND DELAMINATION ON RIGHT WING AILERON INBOARD LOWER SURFACE. REPAIRED PER SRM 57-60-01 & SRM 51-60-01.

Part: FITTING — CORRODED (FUSELAGE) · corrosion level 2 · airframe 76,752 hrs · 31,689 cycles

DURING L-CHECK FOUND EXFOLIATION CORROSION ON STRINGER END FITTING AT BULKHEAD BS 1720 S17R APPROXIMATELY 6 FROM FUSELAGE. REPAIRED PER SRM 51-40-02 PAGE 7.

Part: SKIN — CRACKED (LE SLAT) · airframe 76,752 hrs · 31,689 cycles

DURING L CHECK FOUND CRACK IN LEFT WING NR 3 LEADING EDGE SLAT LOWER SKIN JUST FORWARD OF OUTBOARD MAIN SLAT TRACK. REPAIRED PER SRM 57-70-13 PAGES 1 & 2.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 76,752 hrs · 31,689 cycles

DURING L-CHECK FOUND CORROSION ON MAIN CABIN FLOORBEAM AT BS 1661 LBL 58. REPAIRED PER SRM 53-00-51 PAGE 101 TO PAGE 103, SRM 53-10-51 PAGE 6, DWG BAC1518-338 REV C, SRM 51-40-02 PAGE 1-10, SRM 53-00-51.

Part: SUPPORT — CORRODED (FUSELAGE) · corrosion level 2 · airframe 76,752 hrs · 31,689 cycles

DURING L-CHECK FOUND CORROSION ON R4 DOOR THRESHOLD SUPPORT FROM BS 1640 TO BS 1680. REPAIRED PER SRM 51-40-02 PAGE 2-7.

Part: PUSHROD — CORRODED (L4 DOOR) · corrosion level 2 · airframe 76,752 hrs · 31,689 cycles

DURING L-CHECK FOUND EXFOLIATION CORROSION ON DOOR L4 LOWER GATE GIRT BAR MECHANISM AFT PUSHROD. REPAIRED PER B757-A-52-25-501-927A-A PAGES 6 & 7.

Part: SKIN — CRACKED (LE SLAT) · airframe 76,752 hrs · 31,689 cycles

DURING L-CHECK FOUND CRACK IN RIGHT WING NR 8 SLAT LOWER SKIN. REPAIRED PER SRM 51-40-02 PAGE 7, SRM 51-70-13 PAGES 1 & 2 FIGURE 1.

Part: SKIN — CRACKED (LE SLAT) · airframe 76,752 hrs · 31,689 cycles

DURING L-CHECK FOUND RIGHT WING NR 10 SLAT LOWER SKIN CRACKED JUST FORWARD OF INBOARD MAIN SLAT TRACK. REPAIRED PER SRM 51-70-13 PAGE 2 FIGURE 1 & SRM 51-40-02 PAGE 3, PAGE 7.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 76,752 hrs · 31,689 cycles

DURING L-CHECK FOUND CORROSION ON MAIN CABIN FLOORBEAM FLANGE. REPAIRED PER SRM 53-00-51 PAGE 201-204 FIGURE 201.

Part: DOUBLER — GOUGED (FUSELAGE) · airframe 76,752 hrs · 31,689 cycles

DURING L-CHECK FOUND GOUGE IN APU COMPARTMENT FORWARD BULKHEAD REPAIR DOUBLER. REPAIRED PER SRM 53-80-08 FIGURE 201.

Part: SKIN — PUNCTURED (LE SLAT) · airframe 76,752 hrs · 31,689 cycles

DURING L-CHECK FOUND PUNCTURE IN RIGHT WING NR 8 LEADING EDGE SLAT LOWER SKIN JUST ABOVE ACCESS PANEL 623. REPAIRED PER SRM 57-42-02 PAGE 201 FIGURE 201, SRM 57-40-10 & ERA 486847-14 REV 0.

Part: SKIN — DENTED (FUSELAGE) · airframe 76,752 hrs · 31,689 cycles

DURING L-CHECK FOUND FUSELAGE SKIN DENTED AT MAIN E&E DOOR CUTOUT FORWARD AND AFT CORNERS LEFT SIDE BS 460-480. REPAIRED PER ERA 486849-14 REV ORIGINAL.

Part: BRACKET — BROKEN (R4 DOOR) · airframe 76,752 hrs · 31,689 cycles

DURING L-CHECK FOUND BRACKET / DOUBLER ASSEMBLY BROKEN OFF ON DOOR 4R LOWER SLIDE SUPPORT SHELF. REPAIRED PER SRM 51-40-02 PAGE 10.

Part: GATE — GOUGED (R4 DOOR) · airframe 66,941 hrs · 27,518 cycles

DURING M-CHECK FOUND GOUGE ON BOTTOM FWD CORNER OF DOOR 4R GATE. REPAIRED IAW SRM 51-70-16 & SRM 52-11-38-401-926A.

Part: SILL — CORRODED (BS 1380-1440) · corrosion level 2 · airframe 66,941 hrs · 27,518 cycles

DURING M-CHECK FOUND CORROSION ON AFT CARGO LOWER DOOR SILL, UPPER CHORD FASTENER HOLES BETWEEN BS 1380 & BS 1440. REPAIRED IAW SRM 51-40-02, SRM 51-40-05.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · corrosion level 2 · airframe 75,383 hrs · 31,022 cycles

DURING LINE CHECK FOUND CORROSION ON AFT CARGO DOOR THRESHOLD FLOOR SUPPORT FROM AFT EDGE OF DOOR TO FWD EDGE. REPAIRED IAW SRM 51-40-02, 51-20-01.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 73,225 hrs · 30,294 cycles

DURING AN OVERNIGHT LINE CHECK THE EMERGENCY EXIT SIGN ABOVE DOOR 1 LEFT WOULD NOT ILLUMINATE. MAINTENANCE FOUND BATTERY PACK M731 TO BE DEFECTIVE AND REPLACED IT. SYSTEM OPERATION WAS NORMAL AFTER THE BATTERY PACK WAS REPLACED.

Part: BATTERY PACK — DEFECTIVE (CABIN) · airframe 73,225 hrs · 30,294 cycles

DURING OVERNIGHT LINE CHECK THE EMERGENCY OVERHEAD EMERGENCY EXIT SIGN ABOVE DOOR 4 RIGHT WOULD NOT ILLUMINATE. MAINTENANCE FOUND BATTERY PACK M736 TO BE DEFECTIVE AND REPLACED IT. SYSTEM OPERATION WAS NORMAL AFTER THE BATTERY PACK WAS REPLACED.

Part: PNEUMATIC SYSTEM — MALFUNCTIONED · airframe 73,125 hrs · 30,257 cycles

UPON DEPARTURE FROM TPA THE CREW LOST THE RIGHT ENGINE PNEUMATIC BLEED AND WAS UNABLE TO RESET IT PER THE COM PROCEDURE AND LATER LOST THE LEFT PNEUMATIC BLEED DURING CLIMB. WITH BOTH PNEUMATIC BLEEDS INOPERATIVE THE FLIGHT CREW DECLARED AN EMERGENCY WITH ATC AND INITIATED AN EMERGENCY DESCENT AS THEY BEGAN TO LOSE CABIN PRESSURE. THE FLIGHT RETURNED TO TPA AND LANDED UNEVENTFULLY. AS OF THIS WRITING, MAINTENANCE IS STILL IN THE PROCESS OF REPAIRING THE AIRCRAFT.

Part: CONTROLLER — FAILED (OVEN)

THE CTR OVEN IN THE FIRST CLASS GALLEY OVERHEATED AND BEGAN TO EMIT SMOKE. THE OVEN WAS TURNED OFF, THE FLIGHT CONTINUED ON AND LANDED UNEVENTFULLY. MZ DEFERRED THE OVEN TO MEL AND LATER REPLACED THE OVEN AND OVEN CONTROLLER. SYS OPS WAS NORMAL AND AFTER THE OVEN AND OVEN CONTROLLER WERE REPLACED. (K)

Part: LAMP — INOPERATIVE (EMERGENCY LIGHT) · airframe 69,229 hrs · 28,787 cycles

EXTERNAL EMERGENCY LIGHT AT DOOR 4 LEFT WOULD NOT TEST DURING A MAINTENANCE CHECK. MAINTENANCE RELAMPED THE EMERGENCY LIGHT AND OPERATION CHECKED GOOD.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 100,198 hrs · 17,510 cycles

DURING OVERNIGHT CHECK, FOUND EMERGENCY PATH LIGHTS BOTH SIDES FROM ROW 35 TO 45 INOP. MAINTENANCE REMOVED AND REPLACED BATTERY AND POWER SUPPLY. OPERATIONAL CHECKED GOOD AND AIRCRAFT WAS RETURNED TO SERVICE.

Part: PUMP — MALFUNCTIONED (HYD SYSTEM) · airframe 68,777 hrs · 28,626 cycles

JUST PRIOR TO DESCENT HAD EICAS MESSAGES, LEFT HYDRAULIC SYSTEM PRESSURE, LEFT HYDRAULIC SYSTEM QUANTITY, LEFT ELECTRIC AND LEFT HYDRAULIC ENGINE PUMP RUDDER RATIO. FOLLOWED COM PROCEDURE FOR LOSS OF LEFT HYDRAULIC SYSTEM. FLIGHT CONTINUED ON TO LAX AND LANDING WAS UNEVENTFUL. MAINTENANCE REMOVED AND REPLACED EDP. OPERATIONAL CHECKED GOOD AND AIRCRAFT WAS RETURNED TO SERVICE.

Part: OVEN — SMOKE (GALLEY) · airframe 68,737 hrs · 28,612 cycles

FAR RIGHT FORWARD OVEN STARTED SMOKING, TURNED IT OFF AND BACK ON, AND IT STARTED SMOKING AGAIN, SO TURNED IT OFF AND PULLED THE C/B. MAINTENANCE REMOVED AND REPLACED FIRST CLASS OVEN, OPERATIONAL CHECKED GOOD, AND AIRCRAFT WAS RETURNED TO SERVICE.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 67,479 hrs · 28,135 cycles

DURING OVERNIGHT LINE CHECK FOUND IN AFT PASSENGER COMPARTMENT 2 LEFT OVERHEAD BULL NOSE LIGHTS INOPERATIVE. ALSO, FOUND CENTER OVERHEAD EXIT SIGN, L4 DOOR EXIT SIGN AND L4 DOOR EMERGENCY SLIDE LIGHTS INOP. MAINTENANCE REMOVED AND REPLACED BATTERY PACKS. OPERATIONAL CHECKED GOOD AND AIRCRAFT HAS RETURNED TO SERVICE.

Part: SKIN — CRACKED (NR 2 NACELLE) · airframe 65,282 hrs · 27,318 cycles

DURING SCHEDULED ENGINE CHANGE INSPECTION REVEALED CRACK IN NR 2 PYLON RIGHT SIDE SKIN. REPAIRED PER EA 55-208923 SECTION I, SECTION II REPAIR TO BE ACCOMPLISHED WITHIN 24 MONTHS.

Part: SKIN — CRACKED (NR 9 SLAT) · airframe 58,788 hrs · 24,788 cycles

DURING H-CHECK FOUND CRACKED COVE SKIN PANELS AT NR 9 LEADING EDGE SLAT OUTBOARD DRIVE TRACK. REPAIRED PER EA 55-202250.

Part: SEAT TRACK — CORRODED (FUSELAGE) · corrosion level 2 · airframe 58,922 hrs · 24,788 cycles

DURING H-CHECK FOUND CORROSION ON SEAT TRACK AT BS 1640 LBL 24 AND 45.5. REPAIRED PER EA 55-20262.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 58,922 hrs · 24,788 cycles

DURING H-CHECK, FOUND CORROSION ON FLOORBEAM AT BS 365 RBL 1 TO RBL 62. REPAIRED PER EA 55-202245.

Part: SUPPORT BEAM — CORRODED (SEAT TRACK) · corrosion level 2 · airframe 58,992 hrs · 24,788 cycles

DURING H-CHECK FOUND CORROSION ON SEAT TRACK SUPPORT BEAM AT BS 365 RBL 23 TO RBL 27. REPAIRED PER EA 55-202244.

Part: PUMP — LEAKING (HYDRAULIC SYS) · airframe 47,770 hrs · 20,323 cycles

AFTER TAKEOFF, THE NR 2 CENTER HYDRAULIC PUMP PRESSURE LIGHT AND EICAS MESSAGE ILLUMINATED. THIS WAS SHORTLY FOLLOWED BY NR 1 CENTER HYDRAULIC PUMP PRESSURE LIGHT AND EICAS MESSAGE. CENTER HYDRAULIC SYSTEM QUANTITY THEN FELL TO ZERO. FOLLOWED COM PROCEDURES. RETURNED TO MSP FOR AN UNEVENTFUL LANDING. MAINTENANCE REPLACED THE CENTER ELECTRIC HYDRAULIC PUMP AND SERVICED THE CENTER SYSTEM. OPERATIONAL CHECK OK.

Part: CONNECTOR — DIRTY (J4 BOX)

AT LIFTOFF, NUMEROUS EICAS ANTI-SKID MESSAGES ANNUNCIATED. AIRCRAFT RETURNED TO DEPARTURE AIRPORT. MAINTENANCE TROUBLESHOT/INSPECTED BRAKE SYSTEM AND FOUND CORRODED FC3 PIN AT J4 BOX. CLEANED PINS AND RESECURED.

Part: AIR DISTR — ODOR (CABIN)

DURING FLIGHT SEVERAL PASSENGER'S REPORTED A BURNING SMELL IN THE AFT END OF AIRCRAFT. DIVERTED TO MSP AND LANDED WITH OUT INCIDENT. MAINTENANCE PERFORMED CHECK OF AFT CARGO, PACK BAYS, WHEEL WELLS AND TIRES. NO DISCREPANCIES NOTED. PULLED AND COLLARED WATER COMPRESSOR CIRCUIT BREAKER PRECAUTIONARY.

Part: EEC — FAILED (NR 2 ENGINE)

DURING CLIMB, THE NR 2 ENGINE EXPERIENCED A COMPRESSOR STALL AND THEN AUTO SHUTDOWN. AIRCRAFT RETURNED TO DEPARTURE AIRPORT AND LANDED WITHOUT FURTHER EVENT. GROUND MAINTENANCE INSPECTED ENGINE, NO DAMAGED NOTED. REPLACED THE NR 2 ENGINE SVA ACTUATOR AND ELECTRONIC ENGINE CONTROL UNIT. ENGINE GROUND RUN AND FOUND SERVICEABLE.

Part: CREASE BEAM — CORRODED (FS 1627)

DURING PERIODIC CHECK, FOUND CORROSION ON THE CREASE BEAM INBOARD CHORD BS 1627 AT LBL 60. REPAIRED CHORD (P/N 146N5590) PER EA 55-103961.

Part: SILL — CORRODED (FS 1380-1440)

DURING PERIODIC CHECK, FOUND CORROSION ON THE AFT CARGO DOOR LOWER SILL, INNER CHORD, BS 1380 TO 1440, RBL 26. REPAIRED SILL CHORD (P/N 146N8522-52) PER EA 55-103937.

Part: FLOOR BEAM — CORRODED (FS 345-365)

DURING PERIODIC CHECK, FOUND CORROSION ON THE UPPER SURFACES OF THE BS 345 FLOOR BEAM AT RBL 8 AND THE BS 365 FLOOR BEAM FROM BL 0 TO RBL 18. REPAIRED BOTH BEAMS (P/N 141N5111, 141N5112 RESPECTIVELY) PER EA 55-99500 AND -82879 RESPECTIVELY.

Part: IDG — FAILED (NR 2 ENGINE)

DURING APPLICATION OF TAKEOFF THRUST, RIGHT GENERATOR CONTROL TRIPPED. ABORTED TAKEOFF AT 20 KNOTS AND CLEARED RUNWAY. CREW RESET GENERATOR CONTROL PER COCKPIT OPERATING MANUAL AND DEPARTED WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND OVER FREQUENCY AND PMG WIRING MESSAGES LOGGED. PLACED RIGHT GENERATOR AND IDG ON MEL 24-00-1 FOR REPLACEMENT OF IDG PER FIM. MAINTENANCE REPLACED THE IDG, LEAK AND OPERATIONAL CHECK WAS NORMAL.

Part: IDG — REQD SERVICE (RT ENGINE)

DURING START OF TAKEOFF ROLL, LOST RIGHT GENERATOR. ABORTED TAKEOFF AND CLEARED RUNWAY. CREW RESET RIGHT GENERATOR AND FLIGHT DEPARTED WITHOUT FURTHER INCIDENT. DTW MAINTENANCE SERVICED RIGHT IDG.

Part: COMPRESSOR — STALLED (NR 1 ENGINE)

DURING CLIMB, THE NR 1 ENGINE COMPRESSOR STALLED ACCOMPANIED BY POWER LOSS AND YAW TO THE LEFT. ENGINE RECOVERED SHORTLY THEREAFTER WITH NORMAL INDICATIONS. AIRCRAFT WAS RETURNED TO MSP AND LANDED WITHOUT INCIDENT. METAL WAS FOUND IN THE TAILPIPE AND THE ENGINE WAS CHANGED.

Part: OVEN — MALFUNCTIONED (AFT GALLEY)

ON TAKEOFF, THE FLIGHT ATTENDANT REPORTED SMOKE FROM THE AFT GALLEY CENTER OVEN. AIRCRAFT RETURNED TO MSP, NO EMERGENCY WAS DECLARED. CHECKED FOR EVIDENCE OF FOOD OR PAPER, NONE FOUND. PULLED AND COLLARED OVEN CIRCUIT BREAKERS. REPLACED OVEN IN DCA, OPERATIONAL CHECK WAS NORMAL.