N12327

Part: DOOR FRAME — CRACKED (FUSELAGE) · airframe 60,801 hrs · 31,445 cycles

INSPECTION FOUND A 1.5 INCH CRACK AT LOWER STOP PAD BRACKET OF FORWARD CARGO DOOR CUTOUT AFT FRAME, STA 493. THE FRAME WAS REPLACED IAW SRM 51-40-02 AND BOEING DRAWING 65-20723.

Part: ACTUATOR — INOPERATIVE (NLG) · airframe 55,994 hrs · 29,142 cycles

CREW REPORTED THAT THE NOSE LANDING GEAR REQUIRED A MANUAL EXTENSION ON APPROACH TO DTW. EXTENSIVE TROUBLESHOOTING WAS PERFORMED. MAINTENANCE FOUND THAT THE NLG LOCK ACTUATOR WAS AT FAULT. THE NLG LOCK ACTUATOR WAS REMOVED AND REPLACED IAW MM 32-33-00. A FLIGHT EVALUATION WAS CONDUCTED AND THE GEAR WAS CYCLED SUCESSFULLY SEVERAL TIMES.

Part: ACTUATOR — MALFUNCTIONED (NLG) · airframe 55,851 hrs · 29,071 cycles

THE NOSE GEAR UNSAFE LIGHT ILLUMINATED WHEN GEAR WAS EXTENDED ON APPROACH TO EWR. THE GEAR WAS CYCLED DURING A GO-AROUND AND THREE GREEN SAFE GEAR LIGHTS ILLUMINATED. A VISUAL INSPECTION OF THE GEAR ALSO REVEALED GEAR WAS DOWN AND LOCKED. THE AIRCRAFT LANDED WITHOUT INCIDENT. EXTENSIVE TROUBLESHOOTING REVEALED THE NLG LOCK ACTUATOR WAS AT FAULT. THE NLG LOCK ACTUATOR WAS REMOVED AND REPLACED IAW MM 32-33-21. IN ADDITION, THE NOSE GEAR HYDRAULIC INSTALLATION MODULE WAS REMOVED AND REPLACED IAW MM 32-33-31. LEAK AND OPERATIONAL CHECKS WERE GOOD.

Part: ACTUATOR — INOPERATIVE (NLG) · airframe 55,271 hrs · 28,793 cycles

THE RED NOSE GEAR UNSAFE LIGHT ILLUMINATED AND THE NOSE GEAR WOULD NOT EXTEND WHEN GEAR HANDLE WAS LOWERED ON APPROACH TO IAH. THE GEAR WAS CYCLED DURING A GO-AROUND AND THE GEAR EXTENDED NORMALLY WITH NORMAL INDICATIONS. MAINTENANCE FOUND THE NLG LOCK ACTUATOR AT FAULT. THE NLG LOCK ACTUATOR WAS REMOVED AND REPLACED IAW MM 32-33-21. THE GEAR WAS CYCLED 10 TIMES AND ALL OPERATION CHECKED NORMAL.

Part: SKIN — CRACKED (NR 3 SLAT) · airframe 55,077 hrs · 28,688 cycles

INSPECTION FOUND A .25 INCH CRACK IN NR 3 SLAT SKIN BELOW ACTUATOR. A DOUBLER WAS INSTALLED ON LOWER SKIN IAW SRM 57-43-01.

Part: FLOORBEAM — CORRODED (FUSELAGE) · airframe 55,077 hrs · 28,688 cycles

INSPECTION FOUND UPPER FLANGE OF FLOORBEAM CORRODED AT STA 328, LBL 6 TO RBL 6. THE CORRODED SECTION OF FLOORBEAM WAS REMOVED AND REPLACED IAW SRM 53-10-51.

Part: FLOORBEAM — CORRODED (FUSELAGE) · airframe 55,077 hrs · 28,688 cycles

INSPECTION FOUND UPPER FLANGE OF FLOORBEAM CORRODED AT STA 344, RBL 45 TO LBL 12. THE CORRODED AREA OF FLOORBEAM UPPER CHORD WAS REMOVED AND A NEW UPPER CHORD AND SPLICES WERE INSTALLED IAW SRM 53-10-51.

Part: FLOORBEAM — CORRODED (FUSELAGE) · airframe 55,077 hrs · 28,688 cycles

INSPECTION FOUND THE UPPER FLANGE OF FLOORBEAM CORRODED AT NUT PLATE HOLE, STA 312, RBL 8. A FLOORBEAM REPAIR WAS INSTALLED IAW SRM 53-10-51.

Part: FLOORBOARD — CORRODED (FUSELAGE) · airframe 55,077 hrs · 28,688 cycles

INSPECTION FOUND UPPER AFT FLANGE OF CABIN FLOORBOARD CORRODED AT NUT PLATE HOLE, STA 360, RBL 2. THE CORROSION WAS REMOVED AND A REPAIR STRAP WAS INSTALLED IAW SRM 53-00-51.

Part: VALVE — INOPERATIVE (NLG) · airframe 54,521 hrs · 28,398 cycles

THE NOSE GEAR DID NOT EXTEND ON FIRST ATTEMPT ON APPROACH INTO IAH. A MANUAL EXTENSION WAS PERFORMED AND THE NOSE GEAR SHOWED DOWN AND LOCKED. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE LANDING GEAR SELECTOR VALVE WAS REMOVED AND REPLACED IAW MM 32-31-51. LEAK AND OPERATIONAL CHECKS WERE GOOD.

Part: ACTUATOR — INOPERATIVE (NLG) · airframe 54,452 hrs · 28,366 cycles

THE NOSE LANDING GEAR DID NOT EXTEND ON FIRST ATTEMPT ON APPROACH INTO IAH. THE RED UNSAFE LIGHT WAS ILLUMINATED. THE GEAR WAS CYCLED AND THE NLG EXTENDED NORMALLY. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE NLG RETRACT ACTUATOR AT FAULT. THE RETRACT ACTUATOR WAS REMOVED AND REPLACED IAW MM 32-33-11. OPERATIONAL CHECKS WERE GOOD.

Part: ACTUATOR — INOPERATIVE (NLG) · airframe 54,387 hrs · 28,329 cycles

THE NOSE GEAR DID NOT EXTEND INITIALLY WHEN THE GEAR WAS SELECTED DOWN ON APPROACH INTO IAH. THE GEAR WAS CYCLED RESULTING IN NORMAL EXTENSION AND INDICATIONS. THE AIRCRAFT LANDED AT IAH WITHOUT INCIDENT. MAINTENANCE FOUND THE NLG LOCK ACTUATOR AT FAULT. THE LOCK ACTUATOR WAS REMOVED AND REPLACED IAW MM 32-33-21. THE GEAR WAS SWUNG SEVERAL TIMES AND ALL OPERATION CHECKED GOOD.

Part: ENGINE — MALFUNCTIONED (NR 1) · airframe 53,714 hrs · 27,978 cycles

THE NR 1 ENGINE EXPERIENCED A POWER LOSS AT CRUISE WHILE EN ROUTE FROM MCO TO CLE. THE AIRCRAFT WAS DIVERTED TO ATL WHERE IT LANDED WITHOUT INCIDENT. THE NR 1 ENGINE WAS REMOVED AND REPLACED IAW MM 71-00-00. SHOP TEARDOWN REVEALED A FAILED NR 4 BEARING.

Part: SKIN — CRACKED (C-2 DOOR) · airframe 51,536 hrs · 26,807 cycles

INSPECTION FOUND A 5" CRACK IN SKIN AT AFT CARGO DOOR INSIDE INSPECTION HOLE ABOVE HANDLE BOX. A DOUBLER WAS INSTALLED IAW ECRA 5232-01024.

Part: SKIN — CRACKED (STA 727E) · airframe 51,063 hrs · 26,547 cycles

INSPECTION FOUND A 2.25" CRACK IN L/H FUSELAGE SKIN ABOUT TWO FEET AFT OF EMERGENCY LIGHT, AFT OF LEFT WHEEL WELL, STA 727E, S24L. REPAIRED IAW ECRA 5330-03188.

Part: BALLAST · airframe 50,733 hrs · 26,364 cycles

SMOKE IN AFT LAVATORY. LEFT AFT LAVATORY MIRROR CIRCUIT BREAKER OUT. FOUND BREAKER FOR LIGHTS POPPED. BALLAST BURNT. REMOVED AND REPLACED BALLAST.

Part: PAN — CRACKED (CARGO DOOR) · airframe 46,067 hrs · 23,956 cycles

INSPECTION FOUND A 2 INCH CRACK IN C-1 DOOR LOWER FORWARD DOOR PAN. THE LOWER FORWARD DOOR PAN WAS REMOVED AND REPLACED IAW OHM 52-36 AND DRAWING 65-46821.

Part: SKIN — DENTED (CARGO DOOR) · airframe 46,067 hrs · 23,956 cycles

INSPECTION FOUND C-1 DOOR SKIN DENTED. THE DOOR SKIN WAS REMOVED AND REPLACED IAW OHM 52-36-02 AND DRAWING 65-46921.

Part: SKIN — CRACKED (CARGO DOOR) · airframe 46,067 hrs · 23,956 cycles

INSPECTION FOUND C-1 DOOR INNER SKIN CRACKED AROUND LIGHTENING HOLES. THE CRACKS WERE 1/2 TO 1 INCH LONG. THE SKIN WAS REPAIRED BY INSTALLING DOUBLERS IAW ECRA 5231-01029.

Part: SKIN — CRACKED (NR 2 PYLON) · airframe 46,067 hrs · 23,956 cycles

INSPECTION FOUND A 1/4 INCH CRACK IN NR 2 OB PYLON SKIN AFT OF UPPER T/R ABOVE PANEL 5824R. A DOUBLER AND FREEZE PLUGS WERE INSTALLED IAW SRM 5450-01330 AND ECRA 5430-01204.

Part: CARGO TRACK — CORRODED (FUSELAGE) · airframe 46,067 hrs · 23,956 cycles

INSPECTION FOUND TIE DOWN RAIL CORRODED AT STA 500D-520 BETWEEN STRINGER 26L AND 27L. THE CORRODED SECTION OF TIE DOWN RAIL WAS REMOVED AND REPLACED IAW SRM 53-00-53.

Part: WEB — CRACKED (FUSELAGE) · airframe 46,067 hrs · 23,956 cycles

INSPECTION FOUND A 5" CRACK IN WEB AT STA 500C, LONGERON 26L IN FORWARD CARGO AREA. THE WEB WAS REMOVED AND REPLACED IAW SRM 51-10-02.

Part: PANEL — CORRODED (FUSELAGE) · airframe 46,067 hrs · 23,956 cycles

INSPECTION FOUND TRANSITION PANELS CORRODED AT STA 420, S26R, STA 492-520, S26L, STA 380-492, S26L, AND STA 500C +18R. THE PANELS WERE REMOVED AND REPLACED IAW SRM 51-10-2 AND 53-30-53.

Part: WEB — CRACKED (FUSELAGE) · airframe 46,067 hrs · 23,956 cycles

INSPECTION FOUND A 12 INCH CRACK IN WEB AT LT SIDE OF FORWARD CARO AREA BETWEEN STA 500A AND 500B, STRINGER 25L. THE WEB WAS REMOVED AND REPLACED IAW SRM 51-10-2.

Part: PANEL — CORRODED (FUSELAGE) · airframe 46,067 hrs · 23,956 cycles

INSPECTION FOUND L/H TRANSITION PANEL CORRODED AROUND NUTPLATE HOLES AT STA 877-947. A NEW TRANSITION PANEL WAS INSTALLED IAW SRM 51-10-2.

Part: SKIN — CRACKED (FUSELAGE) · airframe 46,067 hrs · 23,956 cycles

INSPECTION FOUND A 3 INCH CRACK IN KEEL BEAM LOWER SKIN AT STA 706, LBL 6, WL 148.5. A REPAIR DOUBLER WAS INSTALLED IAW SRM 53-60-12, FIGURE 202, SHEET 3.

Part: SKIN — DENTED (FUSELAGE) · airframe 46,067 hrs · 23,956 cycles

INSPECTION FOUND FUSELAGE SKIN DENTED AT STA 338-353 BETWEEN STRINGERS 19R AND 20R. THE DENTED AREA WAS CUT OUT AND A REPAIR WAS INSTALLED IAW SRM 53-00-01, FIGURE 210.

Part: STRINGER — CRACKED (FUSELAGE) · airframe 46,067 hrs · 23,956 cycles

INSPECTION FOUND A 2 INCH CRACK IN STRINGER 14L AT BS 360. THE STRINGER WAS REPLACED IAW SRM 51-10-02.

Part: SUPPORT — CORRODED (FS 986-1016) · airframe 46,067 hrs · 23,956 cycles

INSPECTION FOUND LT DIAGONAL SUPPORT CORRODED AT STA 986-1016. A NEW DIAGONAL SUPPORT WAS INSTALLED IAW SRM 51-10-02.

Part: WEB — CORRODED (FUSELAGE) · airframe 46,067 hrs · 23,956 cycles

INSPECTION FOUND WEB CORRODED BETWEEN STA 1006 AND 1016, RBL 32. THE WEB WAS REMOVED AND A NEW WEB WAS INSTALLED IAW SRM 51-10-02.

Part: SKIN — DENTED (FUSELAGE) · airframe 46,067 hrs · 23,956 cycles

INSPECTION FOUND FUSELAGE SKIN DENTED AT STA 388, S16L. A SKIN REPAIR WAS INSTALLED IAW SRM 53-00-01, FIGURE 201 AND 51-40-03, PARAGRAPH 4D.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · airframe 46,067 hrs · 23,956 cycles

INSPECTION FOUND FLOOR SUPPORT CORRODED AT STA 986.5-1006, RBL 42. THE FLOOR SUPPORT WAS REMOVED AND A NEW SUPPORT WAS INSTALLED IAW SRM 51-10-02.

Part: INTERCOSTAL — CRACKED (FUSELAGE) · airframe 46,067 hrs · 23,956 cycles

INSPECTION FOUND A 2 INCH CRACK IN INTERCOSTAL AFT OF BS 302 AT STRINGER 4L. A NEW STRAP AND INTERCOSTAL WAS INSTALLED IAW SRM 51-10-2.

Part: ANGLE — CORRODED (FUSELAGE) · airframe 46,067 hrs · 23,956 cycles

INSPECTION FOUND RT Z-ANGLE CORRODED BETWEEN STA 947 AND 998. THE ANGLE WAS REMOVED AND A NEW ANGLE WAS INSTALLED IAW SRM 51-10-02 AND 51-40-02.

Part: FLOORBEAM — CORRODED (STA 1016) · airframe 46,067 hrs · 23,956 cycles

INSPECTION FOUND FLOORBEAM UPPER CHORD CORRODED AROUND FASTENERS AT STA 1016, RBL 5 TO RBL 6. A FLOORBEAM UPPER CHORD REPLACEMENT SECTION WAS INSTALLED IAW ECRA 5310-03851.

Part: SPINDLE — CORRODED (FLAP TRACKS) · airframe 46,067 hrs · 23,956 cycles

INSPECTION FOUND RT WING O/B MID NR 7 AND NR 8 FLAP MAIN CARRIAGE SPINDLES CORRODED. THE NR 7 AND NR 8 FLAP MAIN CARRIAGES WERE REMOVED AND REPLACED IAW MM 27-51-44.

Part: FLOORBEAM — CORRODED (FUSELAGE) · airframe 46,067 hrs · 23,956 cycles

INSPECTION FOUND FLOORBEAM CORRODED AT STA 1006, LBL 6 TO LBL 27. THE CORROSION WAS REMOVED AND A REPAIR STRAP WAS INSTALLED IAW SRM 53-00-51, FIGURE 203.

Part: SPLICE — CRACKED (BS 907) · airframe 46,067 hrs · 23,956 cycles

INSPECTION FOUND 1.25" CRACK IN STRINGER SPLICE AT BS 907, S4R. THE STRINGER SPLICE WAS REMOVED AND REPLACED IAW SRM 51-10-2.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 46,067 hrs · 23,956 cycles

INSPECTION FOUND SEAT TRACK CORRODED AT STA 924-933, LBL 46. THE SEAT TRACK WAS REMOVED AND REPLACED IAW SRM 53-00-52, FIGURE 204, SHEETS 1-4.

Part: SKIN — CRACKED (NR 6 SLAT)

INSPECTION FOUND A .5 INCH CRACK AT RIVET IN LOWER SKIN OF NR 6 SLAT AT ACTUATOR. THE SKIN WAS REPAIRED IAW ECRA 5750-01159.

Part: FLOORBEAM — CORRODED (BS 986)

INSPECTION FOUND FLOORBEAM CORRODED AT STA 986, R-2 DOOR TO L-2 DOOR. A FLOORBEAM UPPER CHORD REPAIR WAS INSTALLED IAW ECRA 5310-03385.

Part: FLOORBEAM — CORRODED (BS 947)

INSPECTION FOUND FLOORBEAM CORRODED AT STA 947, RBL 5 AND LBL 5. A REPAIR WAS INSTALLED IAW SRM 53-50-01.

Part: ANGLE — CORRODED (AFT CARGO)

INSPECTION FOUND ATTACH ANGLE CORRODED AROUND NUT PLATES IN AFT CARGO AREA ON RT SIDE. THE ANGLE WAS REMOVED AND REPLACED IAW SRM 51-10-02.

Part: SUPPORT — CORRODED (BS 986-1016)

INSPECTION FOUND RT AFT LAV FLOOR SUPPORT CORRODED FROM STA 986 TO 1016, 12 INCHES RIGHT OF CENTER AND THE LEFT AFT LAV FLOOR SUPPORT WAS CORRODED FROM STA 1006 TO 1016, 8 INCHES LEFT OF CENTER. NEW FLOOR SUPPORTS WERE INSTALLED IAW SRM 51-10-2.

Part: SUPPORT — CORRODED (BS 951)

INSPECTION FOUND CABIN FLOOR SUPPORT CORRODED AT STA 951, 12 INCHES RIGHT OF CENTER AND CABIN FLOOR SUPPORT CORRODED AT STA 951, 20 INCHES FROM RIGHT SIDEWALL. REPAIRS WERE FABRICATED AND INSTALLED IAW ECRA 5310-03381.

Part: SUPPORT — CORRODED (BS 1006-1016)

INSPECTION FOUND CABIN FLOOR SUPPORT CORRODED AT AIRCRAFT CENTERLINE BETWEEN STA 1006 AND 1016. THE AREA WAS REPAIRED IAW ECRA 5310-03381.

Part: SUPPORT — CRACKED (BS 787)

INSPECTION FOUND A 2 INCH CRACK IN CENTER CARGO FLOOR SUPPORT AT STA 787. A NEW SECTION OF FLOOR SUPPORT WAS INSTALLED IAW SRM 53-00-53, FIGURE 202.

Part: CHANNEL — CORRODED (BS 767-787)

INSPECTION FOUND AFT CARGO PIT FLOOR SUPPORT CHANNEL NR 1, NR 2 AND NR 3 CORRODED AT STA 767 TO 787. THE CORRODED SECTIONS WERE REMOVED AND REPLACED IAW ECRA 5310-03396.

Part: SUPPORT — CORRODED (BS 951)

INSPECTION FOUND CABIN FLOOR SUPPORT CORRODED AT STA 951 APPROXIMATELY 6 INCHES FROM LEFT SIDEWALL. REPAIRED IAW SRM 51-10-02.

Part: SUPPORT — CORRODED (BS 986-1006)

INSPECTION FOUND LEFT AFT LAV FLOOR ANGLE SUPPORT CORRODED FROM STA 986 TO 1006. A NEW SUPPORT WAS INSTALLED IAW SRM 51-40-2.

Part: ANGLE — CORRODED (BS 727-767)

INSPECTION FOUND LEFT CENTER FLOOR ATTACH ANGLE CORRODED AROUND NUT PLATES AT STA 727 TO 767. A DOUBLER WAS INSTALLED IAW SRM 53-60-53.

Part: SUPPORT — CORRODED (BS 767-787)

INSPECTION FOUND CENTER CARGO FLOOR SUPPORT CORRODED AT STA 767 TO 787. THE CORRODED SECTION OF FLOOR SUPPORT WAS REPLACED IAW SRM 53-00-53.

Part: ANGLE — CORRODED (BS 945-1016)

INSPECTION FOUND CABIN FLOOR Z-ANGLE CORRODED AT C-2 DOOR FROM STA 945 TO 1016. THE ANGLE WAS REPLACED IAW SRM 51-40-02.

Part: FLOORBEAM — CORRODED (BS 967)

INSPECTION FOUND MAIN CABIN FLOORBEAM CORRODED AT STA 967. A FLOORBEAM UPPER CHORD REPAIR WAS INSTALLED IAW ECRA 5310-03385 AND SRM 53-00-51.

Part: ANGLE — CORRODED (BS 940-997)

INSPECTION FOUND Z-ANGLE AT SIDE WALL OF R-2 DOOR FLOOR AREA CORRODED FROM STA 940 TO 997. THE Z-ANGLE WAS REMOVED AND REPLACED IAW SRM 51-10-02.

Part: ANGLE — CORRODED (BS 994)

INSPECTION FOUND RT AFT LAV FLOOR SUPPORT AND ATTACH ANGLE FOR FORWARD WALL CORRODED AT STA 994. A FLOOR SUPPORT AND ATTACH ANGLE WAS FABRICATED AND INSTALLED IAW SRM 51-10-02.

Part: SUPPORT — CORRODED (BS 947-986)

INSPECTION FOUND CABIN FLOOR SUPPORT CORRODED FROM STA 947.5 TO 967, 18 INCHES RIGHT OF CENTER AND CABIN FLOOR SUPPORT CORRODED FROM 967 TO 986.5, 18 INCHES LEFT OF CENTER. REPAIRS WERE FABRICATED AND INSTALLED IAW ECRA 5310-03381.

Part: FLOORBEAM — CORRODED (BS 344)

INSPECTION FOUND FLOORBEAM CORRODED AT FORWARD ENTRY BS 344 AND CORROSION WAS FOUND ON FLOORBEAM AT BS 344 FROM CENTERLINE TO LT SIDE WALL. THE FLOORBEAMS WERE REMOVED AND REPLACED IAW SRM 53-10-51.

Part: ANGLE — CORRODED (FWD CARGO)

INSPECTION FOUND FORWARD CARGO COMPARTMENT RIGHT SIDE CENTER FLOOR SUPPORT ANGLE CORRODED. A NEW ANGLE WAS INSTALLED IAW SRM 51-10-2.

Part: FORMER — CRACKED (BS 540)

INSPECTION FOUND A 1 INCH AND 3 INCH CRACK IN FUSELAGE WING TO BODY FAIRING SUPPORT FORMER AT STA 540R. A DOUBLER WAS INSTALLED IAW ECRA 5350-01227.

Part: HYD LINE — RUPTURED (B-HYD SYST)

AIRCRAFT LOST B-SYSTEM HYDRAULIC FLUID SHORTLY AFTER TAKEOFF. THE AIRCRAFT WAS RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND HYDRAULIC FLEX LINE AT B-SYSTEM ELECTRIC PUMP RUPTURED. THE FLEX LINE WAS REMOVED AND REPLACED. THE NR 2 ENGINE DRIVEN HYDRAULIC PUMP WAS REMOVED AND REPLACED DUE TO THE LOW PRESSURE LIGHT REMAINING ON. THE HYDRAULIC SYSTEM WAS SERVICED, LEAK AND OPERATIONAL CHECKS WERE GOOD.

Part: FIRE LOOP — INOPERATIVE (APU)

THE APU FIRE WARNING LIGHT ILLUMINATED DURING AN INFLIGHT START SHORTLY BEFORE TOUCHDOWN. THE APU FIRE BOTTLE WAS DISCHARGED AND THE FIRE LIGHT EXTINGUISHED. INSPECTION PLACARD THE APU FIRE DETECTION SYSTEM AND FIRE EXTINGUISHER INOPERATIVE. THE WARNING WITH FIRE BELL WAS REPEATED DURING CLIMB ON A SUBSEQUENT FLIGHT. THE APU FIRE DETECTION CIRCUIT BREAKERS WERE PULLED, SINCE THE APU WAS ON PLACARD AND NOT OPERATING. THE WARNING CEASED AND THE FLIGHT WAS CONTINUED WITHOUT FURTHER PROBLEM. THE APU FIRE LOOP ELEMENT AND FIRE BOTTLE WAS REMOVED AND REPLACED. THE APU FIRE DETECTION SYSTEM TESTED GOOD.

Part: ELEMENT — CONTAMINATED (APU)

THE APU FIRE WARNING LIGHT ILLUMINATED WHILE EN ROUTE. THE APU FIRE BOTTLE WAS DISCHARGED AND THE LIGHT EXTINGUISHED. THE AIRCRAFT WAS DIVERTED TO AUS WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THAT THE ELEVATOR PCU WAS LEAKING FLUID WHICH THEN DRIPPED ONTO FIRE LOOP OF APU EXHAUST DUCT. THE PCU WAS REPAIRED, APU FIRE EXTINGUISHING AND DETECTION SYSTEM WAS PLACARDED INOPERATIVE PENDING REPLACEMENT OF FIRE BOTTLE AND FIRE DETECTION ELEMENT DUE TO CONTAMINATION.

Part: HYD HOSE — RUPTURED ('B' HYD SYSTEM)

FLT NR 0133 - IAH - THE 'B' HYDRAULIC SYSTEM WAS LOST AFTER TAKEOFF FROM IAH. THE AIRCRAFT WAS RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND HYDRAULIC FLEX HOSE BETWEEN 'B' ELECTRIC PUMP AND PRESSURE HYDRAULIC MODULE RUPTURED. THE FLEX HOSE WAS REPLACED. LEAK AND OPERATIONAL CHECKS AFTER HYDRAULIC SYSTEM SERVICING WERE GOOD. (M)

Part: EEL BATTERY PACK — DISCHARGED (CABIN)

DHN - THE EMERGENCY EXIT LIGHT BATTERY PACK AT OVERHEAD CABIN STATION STA 630 FAILED CAPACITY TEST. THE BATTERY PACK WAS REMOVED AND REPLACED AND OPERATION CHECKED GOOD IAW MM 33-50-00. (W)

Part: EEL BATT PACK — DISCHARGED (CABIN)

DHN - THE EMERGENCY EXIT LIGHT BATTERY PACK IN THE OVERHEAD AFT GALLEY AREA AT STATION 970 FAILED CAPACITY TEST. THE BATTERY PACK WAS REMOVED AND REPLACED AND OPERATION CHECKED GOOD IAW MM 33-50-00. (W)