N524UP

Part: FUSE — BLOWN (MLG) · airframe 70,722 hrs · 18,840 cycles

TAKEOFF WARNING WENT OFF AT 140 KTS. ABORTED TAKEOFF. NR1,3,5,6, AND 7 MLG WHEEL ASSY'S THERMAL FUSE PLUG DISCHARGED AFTER RETURNING TO GATE. FREIGHT REMOVED FROM AIRCRAFT. PERFORMED TAKEOFF WARNING SYSTEM CHECK IAW 31-26-00 PGS 101 AND 501. SYSTEM OPS NORMAL, NO IRREGULARITIES NOTED. NR1,3,5,6,7 TIRE ASSY'S REMOVED AND REPLACED IAW 32-45-01. NR4, 2, 8 WHEEL ASSY'S REMOVED FOR INSPECTION. AXLE INSP PERFORMED IAW 5-51-10/201, ALL SATISFACTORY. BRAKE ASSY'S WERE REMOVED AND INSPECTION PREFORMED IAW 32-41-15/601. AIRCRAFT RETURNED TO SERVICE.

Part: COWLING — MISSING (THRUST REVERSER) · airframe 70,612 hrs · 18,804 cycles

UPON LANDING AT SKBO, POST FLIGHT REVEALED THAT NR 1 ENGINE REVERSER COWLING MISSING.

Part: FITTING — OUT OF ADJUST (ESCAPE HATCH) · airframe 69,385 hrs · 18,452 cycles

UPPER DECK ESCAPE HATCH MADE A LOUD BANG AT 23,000 FT. UNABLE TO HEAR DUE TO ESCAPING AIR. AIRCRAFT RETURNED TO AIRFIELD. LANDING NORMAL. ADJUSTED BAYONET FITTING ON THE HATCH. INSPECTED HATCH INTERIOR AND EXTERIOR IAW 52-21-00. ALL CHECKS SATISFACTORY. AIRCRAFT RETURNED TO SERVICE.

Part: CAP — LOOSE (NR 1 ENGINE OIL) · airframe 69,178 hrs · 18,390 cycles

ON CLIMB-OUT FROM MIA, NR 1 OIL QTY STARTED TO DECREASE RAPIDLY. DID A PRECAUTIONARY ENG SHUTDOWN OF NR 1 ENGINE FOR OIL QTY LOSS. RETURNED TO AIRFIELD, LANDING NORMAL. MAINTENANCE INSPECTED NR 1 ENG AND FOUND OIL TANK CAP NOT IN CLOSE POSITION. SERVICED ENGINE TO PROPER AMOUNT AS REQUIRED. RESECURED ENGINE TANK OIL CAP. RUN UP CHECK ACCOMPLISHED, NO LEAKS NOTED, ENGINE OP'S CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: NUT — MISSING (HATCH HANDLE) · airframe 68,568 hrs · 18,214 cycles

AFTER TAKEOFF, CREW HEARD LOUD NOISE. DISCOVERED OVERHEAD EMERGENCY EXIT HATCH LEAKING EXCESSIVELY. RETURNED TO AIRFIELD, LANDING NORMAL. MAINTENANCE FOUND NUT MISSING FROM EMERGENCY ESCAPE HATCH LATCH HANDLE AND BOLT LOOSE. REINSTALLED BOLT AND NUT IAW B747 STD. PRACTICES. PERFORMED CHECK OF PRESSURIZATION SYSTEM IAW B747 MM 21-31-00. NO LEAKS NOTED. AIRCRAFT RETURNED TO SERVICE.

Part: VALVE — STUCK (NR 1 ENGINE) · airframe 68,434 hrs · 18,183 cycles

NR 1 ENG HUNG START AT 28-29 PERCENT N2. FOUND PYLON VALVE STUCK OPEN, CYCLED SAME ENG START NORMAL.

Part: PROBE — FAULTY (PITOT/STATIC SYS)

FOUND FO MAIN PITOT PROBE ANTI-ICE LIGHT ON. REPLACED PITOT PROBE PER MM 30-31-01. OPS CK AND LEAK CK OK.

Part: WIRE — SHORTED (CONTROL PANEL) · airframe 68,293 hrs · 18,153 cycles

UNABLE TO GET F/O'S MACH TO WORK PROPERLY (F/O'S YOKE MIKE SWITCH INOP). REPAIRED WIRES AT F/O'S MASK TACH PNL REF 23-51-00.

Part: HSI — FAILED (COCKPIT) · airframe 68,101 hrs · 18,117 cycles

DURING ENG START AT PUSHBACK CAPT'S CDI COMPASS FLAG IN VIEW COMPASS FROZE ON HSI. HSI WAS PREVIOUSLY CHANGED ON PRIOR ITEM & PLACED ON SOS. ORIGINAL HSI INSTALLED, OPS CK OK PER MM 34-41-06.

Part: COMPUTER — FAILED (ELEVATOR) · airframe 66,127 hrs · 18,124 cycles

RUDDER RATIO LIGHT CAME ON AFTER T/O AT 250 KTS. LIGHT REMAINED ON & WENT OUT AFTER LANDING. REMOVED AND REPLACED ELEVATOR FEEL UNIT PER MM 27-31-14 , CHECK OK.

Part: ADC — FAILED (E/E BAY) · airframe 68,099 hrs · 18,116 cycles

NR 2 CADC FAILED EN ROUTE (AIRTURN BACK). REMOVED AND REPLACED NR 2 CADC, TEST OK PER MM 34-12-00.

Part: CONNECTOR — DAMAGED (E/E BAY) · airframe 68,101 hrs · 18,117 cycles

CAPT'S GLIDE SLOPE IND OSCILLATES DURING APPROACH. REPAIRED RACK CONNECTOR AT ALT GEAR LOGIC MODULE PER MM 32-61-05, OPERATIONAL CHECK OK PER MM 34-31-00.

Part: CONNECTOR — DIRTY (FUEL SYSTEM) · airframe 68,101 hrs · 18,117 cycles

ON PUSHBACK NR 3 ENG FUEL FLOW RESPONDED ERRATICALLY. CLEANED CONNECTOR ON FUEL FLOW TRANSMITTER, OPS NORMAL ON RELIABILITY CHECK PER MM 73-00-00.

Part: ENGINE — STALLED (NR 4) · airframe 18,087 hrs · 18,087 cycles

NR 4 ENGINE STALLED AT FL 310, GOING TO 340. INSPECTED INLET/EXHAUST GAS PATH IAW 72-00-00. NO DEFECTS NOTED. REPLACED ENGINE M7100-002.

Part: ANTENNA — DEFECTIVE (NR 1 & 2 RADAR)

NR 1 AND NR 2 RADAR SYS. WILL NOT PAINT WEATHER ENROUTE. TESTS OK. REMOVED AND REPLACED RADAR CONTROL PANEL AND RADAR ANTENNA IAW MM 34-43-03. OPS CHECK NORMAL.

Part: CONNECTOR — FAILED (COCKPIT) · airframe 67,587 hrs · 18,000 cycles

ON PUSH BACK, CAPT'S ALT FAILED TO STAND - BY WOULD NOT RESET. REMOVED AND REPLACED, CAPT'S ALT NR 1 CADC, STATIC CONNECTOR TO CAPT'S ALT AND LEAK CKD IAW MM 34-13-04, 34-12-01, 34-11-00

Part: SKIN — DELAMINATED (T/E FLAP) · airframe 67,492 hrs · 17,978 cycles

RT INBND MID FLAP - DELAMINATION AT MID UPPER FLT PNL. CORRECTIVE ACTION: PANEL NR 65B02093-202 INTERNAL DISBONDED SKIN REMOVED AND NEW SKIN BONDED IN PLACE SRM 51-40-05.

Part: STRUCTURE — CRACKED (NR 4 PYLON) · airframe 67,492 hrs · 17,978 cycles

NR 4 PYLON SLOT CUT OUT HAS APPROX .5000 INCH CRACK AT THE IB UPPER AFT CORNER. CORRECTIVE ACTION TAKEN: CRACK TRIMMED IAW SECT 3 OF 54-2034. NO CRACK VISIBLE AFTER TRIM OUT. EXTERNAL DOUBLER INSTALLED ON THE INBND SIDE OF PYLON IAW SB 54-2034.

Part: PANEL — DELAMINATED (T/E FLAP) · airframe 67,492 hrs · 17,978 cycles

LT INBND MID FLAP DELAMINATION AT MID UPPER FLT PNL. CORRECTIVE ACTION TAKEN: DELAMINATION PNL - REPLACED- SRM 51-30-02

Part: PANEL — DELAMINATED (T/E FLAP) · airframe 67,492 hrs · 17,978 cycles

LEFT INBOARD MID FLAP DELAMINATION AT OUTBOARD UPPER FLT PANEL. CORRECTIVE ACTION TAKEN: DELAMINATION PANEL -REPAIRED- SRM 51-40-05.

Part: PANEL — DELAMINATED (T/E FLAP) · airframe 67,492 hrs · 17,978 cycles

RT IB MID FLAP WITH SIGNS OF DELAMINATION AT MID LWR FLT PANEL. CORRECTIVE ACTION TAKEN: DELAMINATION PANEL REPLACED SRM 51-10-01 / 51-30-02 MM 51-24-11

Part: PANEL — DELAMINATED (T/E FLAP) · airframe 67,492 hrs · 17,978 cycles

LT IB MID FLAP OF DELAMINATION AT OUT MID FLT PANEL. CORRECTIVE ACTION TAKEN: PANEL REPLACED SRM 51-10-01 AND 51-30-02.

Part: PANEL — DELAMINATED (TE FLAP) · airframe 67,492 hrs · 17,978 cycles

RT WING INBOARD TRAILING EDGE FLAP MID- FLAP PANEL DELAMINATED. REPAIRED BY BOUNDING NEW SKIN.

Part: PUSHROD — MALFUNCTIONED (T/E FLAP) · airframe 67,263 hrs · 17,931 cycles

UPON ARRIVAL NOTED NR 5 & 6 CANOE FAIRING DROOPING. REMOVED AND REPLACED I/B MID FLAP PUSH RODS AND T/E FLAP PUSHROD AND SUPPORT FITTING NR 5 CANOE.

Part: ENGINE — MALFUNCTIONED (NR 4) · airframe 67,242 hrs · 17,925 cycles

AT FL 39.0 NR 4 ENGINE WOULD NOT MAINTAIN POWER AND SLOW RESPOND. ENGINE REPLACED FOR COMPANY CONVENIENCE

Part: LINE — LEAKING (NR 1 ENG OIL) · airframe 66,818 hrs · 17,827 cycles

DURING CRUISE NR 1 ENG OIL QTY SLOWLY PROGRESSED TOWARD ZERO, LOW OIL PRESS LIGHT ILLUM. FOUND OIL LEAKING FROM NR 1 ENG GEN TRANSFER TUBE PER MM 24-11-00 GEN & CSD REMOVED FOR FLT P/N 2MIT60B00010 KIT INSTALLED PERFORMED ENG RUN - NO LEAKS NOTICED. OIL LEAKING INTO THE TRANSFER TUBE FROM THE GEAR CASE AND GOING OVERBOARD

Part: COMPRESSOR — STALLED (NR 3 ENGINE) · airframe 66,787 hrs · 7,818 cycles

AT FL 330 NR 3 ENG COMPRESSOR STALLED. EPR WENT FROM 1.45 - 1.56 WITH 120 DEGREES RISE IN TEMP. INSP INLET AND EXHAUST (2) PERFORMED CHIP DETECTOR INSP (3) PERFORMED BORESCOPE INSPECTION. NO DEFECTS NOTED (4) REPLACED TT2 SENSOR PRECAUTIONARY. AMM 73-21-04

Part: ENGINE — OUT OF RIG (NR 4) · airframe 66,631 hrs · 17,786 cycles

NR 4 ENG CHECKED PART PWR RIGGING CHECKED PS4 WIRE FOR LEAKS, LINE TO AND FROM PT2 SENSOR. UNABLE TO DETERMINE AT THIS TIME, BUT THROTTLE RIG WAS PERFORMED ON ALL FOUR ENGS.

Part: COMPRESSOR — STALLED (NR 3 ENGINE) · airframe 66,631 hrs · 17,786 cycles

NR 3 ENG COMPRESSOR STALLED WHEN SETTING CRUISE PWR NR 3 ENG CHECKED EVC FILTER FOR WATER. CHECKED BLEEDS INLET AND EXHAUST. NO DEFECTS NOTED CHECKED BLEEDS AND RIGGING PER 72-00-00. UNABLE TO DETERMINE AT THIS TIME, BUT THROTTLE RIG WAS PERFORMED ON ALL FOUR ENGS.

Part: ANTENNA — MALFUNCTIONED (INOP ANTENNA) · airframe 66,329 hrs · 21,446 cycles

BOTH WEATHER RADAR SYS INOP NO RETURN & TEST FUNCTION. REPLACED WEATHER RADAR ANTENNA. OPS CHK ACCOMPLISHED PER MM 34-43-00

Part: COMPRESSOR — STALLED (NR 3 ENGINE) · airframe 66,279 hrs · 17,707 cycles

AT FLT LEVEL 19.0 WHEN THRUST LEVER WAS RETARDED NR 3 ENG COMPRESSOR STALLED. REMOVED AND REPLACED FLOW DIVIDER AND SECURE PT 2 LINE. OPERATIONAL CHECK OK ON ENGINE RUN UP. APPARENT FAILURE OF ENG BLEED SYSTEM ON DESCENT WHEN THROTTLE WAS RETARDED.

Part: FLAP — CRACKED (R/H WING) · airframe 66,004 hrs · 17,647 cycles

CRACK, 1" LONG, IN O/B AFT FLAP, INBD SIDE, 4" FROM AFT EDGE. REPAIR CARRIED OUT IAW SRM 51-40-14, FIG. 10.

Part: CAP — CRACKED (NR 4 PYLON) · airframe 66,004 hrs · 17,647 cycles

NR 4 PYLON WING KNEE-PAD (NU-CAP) PANEL TRAILING EDGE FASTENER HOLE BROKEN OUT. REPAIRED AND FILLED AREA, RE-DRILLED HOLE AND PROTECTED IAW SRM 51-40-00.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 65,628 hrs · 17,554 cycles

UPPER DECK FWD EMERGENCY LIGHT WOULD NOT STAY ILLUMINATED. REPLACED EMERGENCY LIGHT ASSY & OPERATIONS RETURNED TO NORMAL.

Part: ROD — BROKEN (CARGO DOOR) · airframe 65,432 hrs · 17,514 cycles

DURING OFF LOADING OPERATIONS, LWR AFT CARGO DOOR EXPERIENCED AN OUT OF SEQUENCE CONDITION. UPON INSPECTION FOUND SEVEN ROD ASSYS HAD SHEARED & THE MOST FORWARD DOOR INSPECTION PANEL WAS DAMAGED. REMOVED & REPLACED ROD ASSYS & INSPECTION DOOR PANEL AS PER 52-34-00. PERFORMED DOOR OPERATION CHECK AS PER MM 52-34-00. OPS OK.

Part: FUEL CELL — LEAKING (RT WING) · airframe 65,328 hrs · 17,491 cycles

DURING EXTENDED GROUND TIME, NOTICED FUEL SEEP/STAIN RT WING GEAR DOOR FWD EDGE. SEEP SEALED PER FSM 4-05-1 NR 3 MAIN KICK FITTING AREA. STAIN WIPED CLEAN. OK FOR SERVICE.

Part: CASE — CRACKED (NR 2 ENGINE) · airframe 65,328 hrs · 17,491 cycles

EN ROUTE NR 2 ENG OIL DROPPED FROM 6.7 GALLONS TO 3.9 GALLONS BY TOC. OIL QTY CONTINUED TO DROP AT A RATE OF 1.4 GALLONS IN 1ST HOUR OF CRUISE. ALL OTHER PARAMETERS NORMAL. AN EMERGENCY WAS DECLARED, DIVERTED TO NRT. FUEL DUMP WAS PERFORMED TO LAND AT MAX LANDING WT & WAS UNEVENTFUL. ACCOMPLISHED NR 6 TEST STATIC LEAK CHECK IAW MM 71-00-00. NO OIL FOUND IN 3.5 BLEED. CHECKED OIL FILTER MAIN CHIP DETECTOR ANGLE GEAR BEARING 3 & 4 TOWER SHAFT 1/2 BEARING DE-AERATOR. REMOVED CSD GENERATOR & INSTALLED DISPATCH EQUIPMENT. CONDUCTED NR 2 ENG HI POWER RUN EPR 1.32 FOR 15 MIN. VISUALLY INSPECTED & FOUND NO OIL LEAKS. FURTHER INSPECTION REVEALED A CRACK IN THE INTERMEDIATE CASE. ENGINE REMOVED & REPLACED.

Part: GARLOCK SEAL — LEAKING (NR 2 ENGINE) · airframe 65,322 hrs · 17,489 cycles

USED 2 GALLONS OF ENG OIL ON NR 2 ENG IN 3.7 HOURS OF FLT. QTY LOSS TO 0.1 GALLONS INDICATED. NR 2 ENG OIL SYSTEM STATIC LEAK CHECKED IN HKG. TEST NR 6 CARRIED IAW AMM 71-00-00. FOUND GENERATOR DRIVE CARBON GARLOCK SEAL LEAKING. SEAL CHANGED IAW AMM 72-61-08, PG 401. SYSTEM STATIC LEAK CHECK OK, ENG GROUND IDLE RUN C/OUT SATISFACTORY. ALSO FOUND NR 1 & NR 2 BEARING CHIP DETECTOR HAD OIL LEAK. REMOVED & REPLACED CHIP DETECTOR ASSY. LEAK CHECK OK PER MM 72-61-01.

Part: OIL SYSTEM — MALFUNCTIONED (ENGINE) · airframe 65,319 hrs · 17,489 cycles

PRECAUTIONARY ENGINE SHUTDOWN OCCURRED AT 2250 DUE TO NR 2 OIL QTY DECREASED TO 0.1 GAL. INDICATED, FOLLOWED BY SLOW DECREASE IN OIL PRESSURE ALT PROCEDURES 6-15-9 & 6-15-11 C/W & ENGINE SECURED IAW 5-04-9. FL 390 FUEL APPROX 78.0. DISPATCH NOTIFIED, PROCEEDED TO DESTINATION & DESCENDED TO FL 350. WINDMILLING OIL PRESSURE 18 PSI, N2 23%, N1 30% AT FL 350. PERFORMED STATIC LEAK CHECK AY ICN. NO LEAK FOUND PER MM 71-00-00.

Part: ENGINE — MAKING METAL (LT WING) · airframe 64,985 hrs · 17,420 cycles

COMPRESSOR STALL & ENGINE FAILURE AT FL 37.0. SECURED ENGINE PER PAC ABNORMAL PROCEDURE & CHECKLIST. EGT INCREASING PAST 910 DEGREES WHEN SHUTDOWN INITIATED. UPON INSPECTION, FOUND METAL IN TAILPIPE & LR 3.5 BLEED. ENGINE CHANGE REQUIRED. REMOVED & REPLACED ENGINE.

Part: STRINGER — CORRODED (FUSELAGE) · airframe 64,935 hrs · 17,411 cycles

INSPECTION TYPE:C AFT CARGO - STRINGER 51L FOUND CORRODED AT STA 1685.

Part: STRINGER — CORRODED (FUSELAGE) · airframe 64,935 hrs · 17,411 cycles

INSPECTION TYPE:C BULK CARGO - STA 2160 CORROSION FOUND AT STR 45L.

Part: STRINGER — CORRODED (FUSELAGE) · airframe 64,935 hrs · 17,411 cycles

INSPECTION TYPE:C AFT CARGO - STRINGER 51R FOUND CORRODED AT STA 1680.

Part: BULKHEAD — CRACKED (FUSELAGE)

INSPECTION TYPE:IN CRACK IN NOSE WHEEL WELL PRESS BULKHEAD. CRACK IN FRAME OF STATION 400 AFT SIDE PRESSURE BULKHEAD BWL 118 LT OF CENTER 22.5 INCH. PERFORMED OPEN HOLE HFEC OF THE 4 HOLES COMMON TO THE AFT WALL AND STIFFENER AT CRACKED HORZ FRAME PER BOEING. NO CRACKS AT HOLES NOTED CRACK IS IN HORZ SECTION AND EXTENDS TO RADIUS BUT NOT BEYOND TO UPPER FASTENER HOLE. ACCOMPLISHED EO B747-5310-15648 APPENDIX A AS REQUIRED.

Part: SKIN — CRACKED (FUSELAGE)

INSPECTION TYPE:IN BELLY SKIN AT STA 700 TO STA.780 AT LT SIDE ABOUT 24 INCHES FROM BOTTOM CENTER OF SKIN HAS 4 INCH CRACK WITH SEVERE CORROSION. CUT OUT DAMAGE (CORROSION) AS PER SRM 51-10. VERIFIED DAMAGE REMOVED INTERIM REPAIR COMPLETED AS PER EO B747-5330-15107A. NO REINSPECTIONS, PERMANENT REPAIR BY "C" CHECK.

Part: PRESSURE PANEL — CORRODED (APU BAY)

INSPECTION TYPE:N/A 2 INCH HOLE CORRODED IN APU PRESS PAN CUTOUT. *S/D* TRANSFERRED TO UPS NRC 352493.

Part: LIGHT — INOPERATIVE (VERT STAIRS)

INSPECTION TYPE:W/E EMERGENCY LIGHT MCD - IN LINE VERTICAL WITH STAIRS HAD 2 BULBS BURNED. REMOVED AND REPLACED BULBS, OPS CK GOOD.

Part: SPAR CAP — CORRODED (RT WING)

INSPECTION TYPE:IN PER EO-13738A REPAIR RT WING LWR SKIN FWD ANGLE ATTACH CHORD. *S/D* REPAIR ACCOMPLISHED PER EO -13738A.

Part: LIGHT — INOPERATIVE (CABIN)

INSPECTION TYPE:N/A, L1 DOOR AFT EMERGENCY LIGHT IS INOP. RELAMPED, OPS CHECKS GOOD.

Part: INDICATOR — MALFUNCTIONED (NR 1,2,3,&4 ENGS)

INSPECTION TYPE:N/A, AIR TURNBACK - ALL FOUR ENG N1 INDICATORS NOT EFFECTIVE FOR AIRCRAFT. REMOVED AND REPLACED INDICATORS. TPCR FILED FOR PROPER EFFECTIVITY REFERENCE LOG PAGES 418722, 418723, AND 418724.

Part: FLAP — MALFUNCTIONED (WINGS)

INSPECTION TYPE:N/A, FLAPS WON''T DRIVE TO COMMANDED POSITION.

Part: CAP — CRACKED (RIGHT WING)

INSPECTION TYPE:C, RT WING - TRAILING EDGE SUPPORT BEAM UPPER CAP DEEP CORROSION AND A LONG CRACK WERE FOUND AT THE UPPER AFT FLANGE OF THE UPPER CHORD. REPAIR ACCOMPLISHED PER IAI EO 89310 AND AS APPROVED BY FAA-8110-3 FORM. THE CHORD AT WBL 360 TRIMMED OUT, HFEC INSPECTED, INSTALLED A NEW CHORD SEGMENT AND SPLICED.