N314FL

Part: UPLOCK — MALFUNCTIONED (NLG) · airframe 4,862 hrs · 3,220 cycles

CREW EXECUTED AND AN EMERGENCY CHECKLIST DUE TO ONLY THE MLG EXTENDING ON APPROACH TO LANDING. THE TOWER CONFIRMED ON THE MLG EXTENDED. AFTER RUNNING THE EMERGENCY CHECKLIST, CREW WAS ABLE TO EXTEND THE NLG. AIRCRAFT LANDED WITHOUT INCIDENT. REPLACED NLG UPLOCK BOX. OPS AND LEAK CHECK GOOD.

Part: DOWNLOCK SENSOR — FAULTY (NLG) · airframe 4,515 hrs · 2,973 cycles

DECLARED EMER DUE TO A LG LEVER DISAGREE. FLEW BY TOWER TO VERIFY STATUS OF LG. TOWER CONFIRMED NLG WAS NOT DOWN. RAN CHECKLIST & RECYCLED GEAR. THREE DOWN & LOCKED ON THE RECYCLE OF THE GEAR. NORMAL LANDING MADE. REPLACED NLG DOWNLOCK SENSOR. FUNCTIONAL AND OPS CHECK GOOD.

Part: POWER SUPPLY — FAILED (EMERGENCY LIGHTS) · airframe 3,556 hrs · 2,309 cycles

DURING FLIGHT CREW NOTICED AN ELECTRICAL ODOR. DIVERTED FLIGHT & DECLARED AN EMERGENCY. FOUND THE NR 1 EMERGENCY LIGHT POWER SUPPLY BAD. OPS CHECKED PASSED. BOTH EMER POWER SUPPLIES WERE REPLACED IAW SERVICE BULLETIN 33-0007. ALSO REPLACED THREE EMERGENCY LIGHTS. OPS CHECKED GOOD & THE ACFT RETURNED TO SERVICE.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 34,499 hrs · 18,045 cycles

DURING C-CHECK, INSPECTION REPORTED CORROSION ON FLOORBEAM UPPER CAP, LBL 17 TO RBL 13. REPAIRED UPPER CHORD ON STA 947 PER EA B3-53R-10228.

Part: INTERCOSTAL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 34,499 hrs · 18,045 cycles

DURING C-CHECK, INSPECTION REPORTED CORROSION ON INTERCOSTAL, STA 328-344, LBL 10, FWD GALLEY. INTERCOSTAL FOUND TO BE OUT OF LIMITS PER SRM 51-10-51. MATERIAL ID FOR NEW INTERCOSTAL WAS BAC 1505-100403 PER BOEING DRAWING 65-48834. COVER PLATE WAS 2024-T3 .090 PER EA B3-53R-10241. INSTALLED COVER PLATE PER EA B3-53R-10241 AND SRM 51-40-02. TREAT PRIMED AND PAINTED PER EA B3-53R-10241 AND MM 51-21-21. INSTALLED PER SRM 51-40-02 AND EA B3-53R-10241.

Part: MOUNT BRACKET — CORRODED (GIRT BAR) · corrosion level 2 · airframe 34,499 hrs · 18,045 cycles

DURING C-CHECK, INSPECTION REPORTED CORROSION ON GIRT BAR MOUNT AT STA. 344, LBL 60. REPLACED GIRT BAR MOUNT BRACKET SRM 51-36-01 AND 51-40-02.

Part: INTERCOSTAL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 34,499 hrs · 18,045 cycles

DURING C-CHECK, INSPECTION REPORTED CORROSION ON INTERCOSTAL STA 947 - 967, LBL 16. FABRICATED AND INSTALLED REPLACEMENT INTERCOSTAL PER SRM 53-60-51 AND 51-40-02.

Part: MOUNT — CORRODED (GALLEY) · corrosion level 2 · airframe 34,499 hrs · 18,045 cycles

DURING C-CHECK, INSPECTION REPORTED CORROSION ON GALLEY MOUNT AT STA 990, RBL 32. REPLACED GALLEY MOUNT PER SRM 51-40-02.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · corrosion level 2 · airframe 34,499 hrs · 18,045 cycles

DURING C-CHECK, INSPECTION REPORTED CORROSION ON UPPER CHORD FLOOR SUPPORT IN AFT GALLEY, STA 986.5 TO STA 1006, LBL 31. REPLACED CHORD PER SRM 51-40-02 AND REINSTALLED FLOOR SUPPORT ASSY PER SRM 51-40-02.

Part: INTERCOSTAL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 34,499 hrs · 18,045 cycles

DURING C-CHECK, INSPECTION REPORTED CORROSION AROUND FLOORBOARD HOLE ON INTERCOSTAL AT STA. 950, LBL 46, WL 208. FABRICATED AND REPLACED INTERCOSTAL PER SRM 53-60-51, FIG. 1, SRM 51-40-02, AND EA B3-53R-10228.

Part: INTERCOSTAL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 34,499 hrs · 18,045 cycles

DURING C-CHECK, INSPECTION REPORTED CORROSION ON INTERCOSTAL AT STA 952, LBL 25. REPLACED INTERCOSTAL FROM STA 947 - 967, LBL 24.5, WL 208, PER SRM 51-40-2, 53-60-5 FIG 101 AND 51-4-5.

Part: WEB — BROKEN (FUSELAGE) · airframe 34,499 hrs · 18,045 cycles

DURING C-CHECK, INSPECTION REPORTED WEB BEHIND MOP SILL AT STA. 294.5, RBL 56, BROKEN. INSTALLED REPAIR PARTS FOR TYPICAL WEB REPAIR IAW SRM 51-70-13, PAGE 3, FIG. 1, SHEET 3 AND NEW ANEL PER SRM 51-40-02.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 34,499 hrs · 18,045 cycles

DURING C-CHECK, INSPECTION REPORTED CORROSION ON FLOORBEAM UPPER CHORD AT STA 344, LBL 13. REPLACED FLOORBEAM UPPER CAP PER EA B3-53R-10237.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 34,499 hrs · 18,045 cycles

DURING C-CHECK, INSPECTION REPORTED CORROSION ON FLOORBEAM UPPER CAP AT STA 986.5, LBL 45 TO RBL 12, UPPER AND LOWER SURFACES. REPLACED FLOORBEAM UPPER CAP PER EA B3-53R-10237.

Part: ANGLE — CORRODED (FUSELAGE) · corrosion level 2 · airframe 34,499 hrs · 18,045 cycles

DURING C-CHECK, INSPECTION REPORTED CORROSION AROUND NUTPLATE ON MOP SILL SUPPORT ANGLE, STA. 326, LBL 57. REPLACED ANGLE UNDER MOP SILL IAW SRM 51-40-02.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 34,499 hrs · 18,045 cycles

DURING C-CHECK, INSPECTION REPORTED CORROSION ON FLOORBEAM UPPER CHORD AT STA 294.5, RBL 38.5. FABRICATED AND INSTALLED NEW SECTION OF FLOORBEAM PER SRM 53-10-51.

Part: ANGLE — CORRODED (FUSELAGE) · corrosion level 2 · airframe 34,499 hrs · 18,045 cycles

DURING C-CHECK, INSPECTION REPORTED CORROSION AROUND 3 NUT PLATES BELOW MOP SILL, STA 344-360, LBL 60. REPLACED REINFORCING ANGLE UNDER L-1 MOP SILL PER SRM 51-40-02.

Part: GALLEY TRACK — CORRODED (FUSELAGE) · corrosion level 2 · airframe 34,499 hrs · 18,045 cycles

DURING C-CHECK, INSPECTION REPORTED CORROSION ON GALLEY TRACK, STA. 344, LBL 20-23. REPAIRED GALLEY TRACK IAW SRM 53-00-52.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 34,499 hrs · 18,045 cycles

DURING C-CHECK, INSPECTION REPORTED CORROSION ON FLOORBEAM UPPER CHORD AT STA 328, RBL 49. REMOVED SECTION OF FLOORBEAM AND INSTALLED NEW UPPER CAP END REPAIR AND SPLICES PER EA 03-531-10225.

Part: SILL — CORRODED (FUSLEAGE) · corrosion level 2 · airframe 34,499 hrs · 18,045 cycles

DURING C-CHECK, INSPECTION REPORTED CORROSION ON L-1 MOP SILL, STA 312-344. REPLACED L-1 MOP SILL PER SRM 51-40-02.

Part: INTERCOSTAL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 34,499 hrs · 18,045 cycles

DURING C-CHECK, INSPECTION REPORTED CORROSION ON INTERCOSTAL AT STA 996, BL 0. REMOVED OLD INTERCOSTAL FROM STA 986.5 TO STA 1006, BL 0. FABRICATED AND INSTALLED REPLACEMENT INTERCOSTAL PER EA B3-53R-10242 AND SRM 51-40-02.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 34,499 hrs · 18,045 cycles

DURING C-CHECK, INSPECTION REPORTED CORROSION ON FLOORBEAM UPPER CHORD AT STA 312, BL 0. REMOVED DAMAGED UPPER T-CHORD AT STA 312, FABRICATED AND INSTALLED REPAIR PARTS PER SRM 53-10-51 AND 51-40-02.

Part: WEB — CRACKED (NR 2 PYLON) · airframe 34,499 hrs · 18,045 cycles

DURING C-CHECK, INSPECTION REPORTED NR 2 ENGINE PYLON LOWER AFT STRUT FAIRING WEB CRACKED AND PULLED FASTENERS AT STIFFENER. REPLACED WEB ON NR 2 ENGINE PYLON LOWER AFT STRUT FAIRING PER SRM 51-40-02 AND EA B3-54R-10217.

Part: CONTROLLER — INOPERATIVE (CABIN PRESSURE) · airframe 33,283 hrs · 17,329 cycles

AIR TURN BACK. FLIGHT CREW REPORTED ALTITUDE WARNING HORN SOUNDED WHILE CLIMBING THROUGH 23,000 FT. STARTED DESCENT TO 10,000 FT. COMPLETED CHECKLIST AT 10,000 FT. IN MANUAL MODE AND AIRCRAFT STARTED PRESSURIZING. DECLARED AN EMERGENCY AND AIRCRAFT LANDED WITHOUT INCIDENT. ON THE GROUND, THE AIRCRAFT PRESSURIZED TO 2,000 FT. HAD TO OPEN THE OUTFLOW VALVE USING THE MANUAL MODE TO DEPRESSURIZE AIRCRAFT. PERFORMED TROUBLESHOOTING OF THE CABIN PRESSURE SYSTEM IAW MM 21-31-00, PAGES 501-522. AUTO SYSTEM BAROMETRIC CORRECTION FAILED STEPS 2.4.G, ALL OTHER SYSTEMS (STANDBY, MANUAL) OPERATED NORMALLY. REPLACED CABIN PRESSURE CONTROLLER AND TESTED THE SYSTEM IAW MM 21-31-00. SYSTEM CHECKED NORMAL IN ALL MODES.

Part: SKIN — CRACKED (RT WING) · airframe 31,981 hrs · 16,576 cycles

INSPECTION REPORTED APPROXIMATELY A 7 INCH CRACK IN THE RT WING L/E JUST ABOVE AND OUTBOARD OF NR 4 SLAT ACTUATOR. PERFORMED INTERIM REPAIR PER SRM 51-70-14, PAGE 7, PARA 8. PERMANENT REPAIR TO BE ACCOMPLISHED AT NEXT C-CHECK. AREA WILL BE REINSPECTED EVERY A-CHECK PER SRM 51-70-14, PAGE 3, PARA 4, UNTIL PERMANENT REPAIR IS ACCOMPLISHED.

Part: FAN — INOPERATIVE (E/E BAY) · airframe 30,488 hrs · 15,833 cycles

FLIGHT CREW REPORTED AIRCRAFT WOULD NOT PRESSURIZE. AIRCRAFT RETURNED TO DEN. REPLACED TURBOFAN, PERFORMED PRESSURIZATION SYSTEM OPERATIONAL TEST AND CHECKED OKAY.

Part: FAIRING — DELAMINATED (NR 1 ENGINE) · corrosion level 2 · airframe 29,562 hrs · 15,405 cycles

DURING C-2 CHECK, INSPECTION REPORTED DELAMINATION ON TOP INSIDE DUCT OF NR 1 ENGINE INBOARD THRUST REVERSER MID STREAM FAIRING AND METAL MISSING. REMOVED DAMAGE, FABRICATED DOUBLER AND INSTALLED REPAIR PER EA 54-737-041 AND SRM 51-10-02.

Part: ANGLE — CORRODED (FUSELAGE) · corrosion level 2 · airframe 29,562 hrs · 15,405 cycles

DURING C-2 CHECK, INSPECTION REPORTED CORROSION ON FWD CARGO COMPARTMENT AFT BULKHEAD LOWER TEE ANGLE. REPLACED TEE ANGLE PER MM 51-10-02 AND DRAWING 65-4931.

Part: PANEL — CORRODED (CARGO BAY) · corrosion level 2 · airframe 29,562 hrs · 15,405 cycles

DURING C-2 CHECK, INSPECTION REPORTED CORROSION ON TRANSITION PANEL AT STA 847 TO 867, LBL 24. FABRICATED AND INSTALLED REPLACEMENT TRANSITION PANEL PER SRM 53-60-53 AND 51-40-02.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 29,562 hrs · 15,405 cycles

DURING C-2 CHECK, INSPECTION REPORTED FLOORBEAM AT R-2 DOOR CORRODED. FABRICATED AND INSTALLED REPAIR PER SRM 53-60-51 AND 53-00-51 FIG 203.

Part: FLOOR PANEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 29,562 hrs · 15,405 cycles

DURING C-2 CHECK, INSPECTION REPORTED AFT CARGO COMPARTMENT FLOOR PANEL NR 3 CORRODED. FABRICATED AND INSTALLED REPLACEMENT FLOOR PANEL PER SRM 51-20-01.

Part: FLOOR PANEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 29,562 hrs · 15,405 cycles

DURING C-2 CHECK, INSPECTION REPORTED JOINT BETWEEN PANELS 3 AND 4 IN AFT CARGO COMPARTMENT CORRODED. FABRICATED AND INSTALLED REPAIR PER SRM 53-60-53.

Part: PANEL — CRACKED (FUSELAGE) · airframe 29,562 hrs · 15,405 cycles

DURING C-2 CHECK, INSPECTION REPORTED AFT CARGO COMPARTMENT FWD LOWER DOOR FRAME PANEL CRACKED. FABRICATED AND INSTALLED REPLACEMENT PANEL AND DOUBLER PER SRM 51-40-2.

Part: STRINGER — CORRODED (FUSELAGE) · corrosion level 2 · airframe 29,562 hrs · 15,405 cycles

DURING C-2 CHECK, INSPECTION REPORTED CORROSION ON FLOOR STRINGER AT STA 793, LBL 3. FABRICATED AND INSTALLED REPAIR PER SRM 53-00-53.

Part: STRINGER — CORRODED (FUSELAGE) · corrosion level 2 · airframe 29,562 hrs · 15,405 cycles

DURING C-2 CHECK, INSPECTION REPORTED CORROSION ON FLOOR STRINGER AT STA 793, RBL 3. FABRICATED AND INSTALLED REPAIR PER SRM 53-00-53.

Part: STRAP — CORRODED (FUSELAGE) · corrosion level 2 · airframe 29,562 hrs · 15,405 cycles

DURING C-2 CHECK, INSPECTION REPORTED SPLICE STRIP CORRODED BETWEEN FLOOR PANELS NR 1 AND NR 2 IN AFT CARGO COMPARTMENT. FABRICATED AND INSTALLED REPLACEMENT FLOOR JOINT STRAP PER SRM 51-10-02.

Part: SKIN — CRACKED (FUSELAGE) · airframe 29,562 hrs · 15,405 cycles

DURING C-2 CHECK, INSPECTION REPORTED CRACKS IN SHEET METAL AFT OF FWD CARGO COMPARTMENT DOOR. FABRICATED AND INSTALLED REPAIR PER SRM 51-70-13.

Part: CONTROLLER — FAILED (CABIN PRESSURE) · airframe 58,984 hrs · 28,541 cycles

AIR TURNBACK. FLIGHT CREW REPORTED AIRCRAFT WOULD NOT PRESSURIZE IN AUTO OR STANDBY MODE DURING CLIMBOUT. REPLACED CABIN PRESSURE CONTROLLER AND OUTFLOW VALVE, PERFORMED OPERATIONAL TEST AND SYSTEM CHECKED OKAY.

Part: DETECTOR — ILLUMINATED (WING/BODY)

DEN - FLT 522 - AIR RETURN. FLIGHT CREW REPORTED LT WING/BODY OVERHEAT LIGHT ILLUMINATED. AIRCRAFT LANDED OVERWEIGHT. MAINTENANCE PERFORMED WING/BODY OVERHEAT TEST AND FOUND SYSTEM SLOW TO RESPOND. REPLACED COMPARTMENT OVERHEAT MODULE. INSPECTED LT AIR CONDITIONING BAY AND L/E FLAP AND SLAT AREA FOR LEAKS. NO LEAKAGE WAS FOUND. PERFORMED OVERWEIGHT LANDING PHASE I EXAMINATION PER MM 05-51-74, PAGE 201. NO DAMAGE NOTED. (X)