N344KD

Part: CIRCUIT CARD — DIRTY (ZONE 200) · airframe 96,878 hrs · 18,428 cycles

CONTINOUS MASTER WARNING FIRE MAIN DECK FWD INFLIGHT, TROUBLESHOT PER FIM 26-16, TASK 864, CLEAN CIRCUIT CARD PER AMM 26-10-01, FIRE SYSTEM TEST, AMM 26-11-00, PASS NO FAULTS.

Part: MANIFOLD — CRACKED (SCAV PUMP) · airframe 96,581 hrs · 18,378 cycles

ENGINE #3 OIL QUANTITY WENT TO ZERO IN CRUISE FOLLOWED QRH FOR ENGINE 3 OIL PRESSURE. ENGINE SHUT DOWN PER QRH. REMOVED AND REPLACED LUBE SCAVENGE PUMP DISCHARGE MANIFOLD PER AMM 79-32-01. LEAK CHECKS GOOD.

Part: PLATE — CORRODED (ZONE 200) · corrosion level 2 · airframe 95,559 hrs · 18,250 cycles

RIGHT WING TRAILING EDGE FUSELAGE RUB PLATE FOR TRAILINGEDGEFLAPS HAS MULTIPLE SPOTS OF EXFOLIATION CORROSION VISIBLE. RH RUBPLATE CORROSION REMOVED AND BLENDED IAW SRM 53-40-05-1A-2-5. FASTENER HOLES STOP DRILLED COMPLETE AND DIMPLE WASHERS ADDAED AT REASSEMBLY IAW WGA ENGINEERING INSTRUCTIONS WITH A REPETITIVE INSPECTION INTERVAL OF 300 HOURS AND RETURNED RUB PLATE PEPLACEMENT INTERVAL OF 6 MONTHS REFERENCE EMAIL FROM N.WARE, WGA ENGINEERING DATED 18 APR 2025. TRNASFERRED TO LOG PAGE 224343 BTM M34 FO C/O PROCEDURES. C/O # 26762. AIRCRAFT APPROVED FOR RETURN TO SERVICE.

Part: SUPPORT FITTING — CRACKED (ZONE 100) · airframe 95,559 hrs · 18,250 cycles

L5 DOOR STOP SUPPORT FITTING @ (STA 2231/STR 25) AT THE LOWER FASTENER HOLE HAS A CRACK @ THE 3 O'CLOCK POSITION IN THE FIRST METAL LAYER.

Part: SUPPORT FITTING — CRACKED (ZONE 100) · airframe 95,559 hrs · 18,250 cycles

R5 DOOR STOP SUPPORT FITTING @ (STA 2231/STR 24) AT THE LOWER FASTENER HOLE HAS A CRACK @ THE 8 O'CLOCK POSITION IN THE THIRD METAL LAYER. REPAIRED FASTENER HOLE AT R5 DOOR STOP SUPPORT FITTING STA. 2231, STR. 24AT 8 O'CLOCK IAW B747-400 EAM 4453-019R2 13 FEB 2024. AIRCRAFT APPROVED FOR RETURN TO SERVICE.

Part: SUPPORT FITTING — CRACKED (ZONE 100) · airframe 95,559 hrs · 18,250 cycles

R5 DOOR STOP SUPPORT FITTING @ (STA 2231/STR24) AT THE LOWER FASTENER HOLE HAS A CRACK @ THE 8 O'CLOCK POSITION IN THE THIRDMETAL LAYER.

Part: ATTACH FITTING — CORRODED (ZONE 100) · corrosion level 2 · airframe 95,559 hrs · 18,250 cycles

HORIZONTAL STABILIZER ATTACH FITTING LEFT HAND LOWER INBD CROSSBOLT HOLE HAS EVIDENCE OF CORROSION.

Part: ATTACH FITTING — DAMAGED (ZONE 100) · corrosion level 2 · airframe 95,559 hrs · 18,250 cycles

HORIZONTAL STAB ATTACH FITTING R/H OUTBOARD UPPER TENSION BOLT HOLE HAS EVIDENCE OF CORROSION/CRACK INDICATION, REPAIRED R/H OUTBOARD UPPER TENSION BOLT HOLE IAW B747-400 EAM 4453014 R3. NO DEFECTS NOTED. AIRCRAFT APPROVED FOR RETURN TO SERVICE.

Part: CASE — CORRODED (NR 2 ENG FAN) · corrosion level 2 · airframe 95,559 hrs · 18,250 cycles

ENG #2 FAN CASE FOUND CORROSION UNDER MID OUTER LINER SEGMENT #3. REMOVED CORROSION AT ENG #2 FAN CASE, UNDER MID OUTER LINER SEGMENT #3. FOUND WITHIN LIMITS IAW B747-400 CF6-80C2 EM GEK 92451 REV 99, 12/01/2024, ESM 72-22-01, MAT. REMOVED 0.002. AIRCRAFT APPROVED FOR RETURN TO SERVICE.

Part: CASE — CORRODED (NR 2 ENG FAN) · corrosion level 2 · airframe 95,559 hrs · 18,250 cycles

ENGINE #4 FAN CASE FOUND SLIGHTLY CORROSION AT 04:00 TO 06:00 O'CLOCK UNDER OGV #40 TO #44. REMOVED LIGHT CORROSION AT ENG #4 FAN CASE AT 04:00 06:00 O'CLOCK MAT. REMOVED 0.002, FOUND WITHIN LIMITS IAW B747-400. CFA-80C2 E/M GEK 92451 REV. 99 12/01/2024, ESM 72-22-01. ALODINED AND PRIMED AREA IAW B747-400 SRM 51-20-01 AND AMM 51-24-21-370-804.

Part: ATTACH FITTING — DAMAGED (ZONE 100) · corrosion level 2 · airframe 95,559 hrs · 18,250 cycles

HORIZONTAL STAB ATTACH FITTING R/H UPPER MIDDLE OUTBOARD TENSION BOLT HOLE HAS EVIDENCE OF CORROSION/CRACK INDICATION. REPAIRED R/H UPPER MIDDLE OUTBOARD TENSION BOLT HOLE IAW B747-400 EAM 4453014 R3. NO DEFECTS NOTED. AIRCRAFT APPROVED FOR RETURN TO SERVICE.

Part: CASE — CORRODED (NR 3 FAN CASE) · corrosion level 2 · airframe 95,559 hrs · 18,250 cycles

ENGINE #3 FAN CASE FOUND SLIGHTLY CORROSION BETWEEN 04:00TO 06:00 O'CLOCK. REMOVED CORRSOION AT ENGINE #3 FAN CASE BTW 0400 TO 0600 O'CLOCK, MATERIAL REMOVED 0.003, IAW CF6-30C2 W/M GEK 924 51 REV. 99, 12/01/2024 CFM 72-22-01. ALODINED AND PRIMED AREA IAW B747-400, SRM 51-20-01 AND AMM 51-24-21-370-804. AIRCRAFT APPROVED FOR RETURN TO SERVICE.

Part: PRESSURE DECK — CORRODED (ZONE 100) · airframe 95,559 hrs · 18,250 cycles

EVIDENCE OF CORROSION STA 1240 ON THE RH CANTED PRESSURE DECK AREA ON THE OUTBOARD WALL. REMOVED CORROSION AT STA 1240 R/H CANTED PRESSURE DECK O/B WALL IAW B747-400 SRM 51-17-02-06-0, ALODINED, PRIMED AND TOP COATED IAW B747-400 SRM 51-20-01-06-0, PRIMED, AMM 51-24-21-370-804 AND AMM 51-24-22-370-801. REFERENCE FAA FORM 8100-9 ID 202502100212-0006 DATED APR 22 2025 FOR APPROVED REPAIRS. AIRCRAFT APPROVED FOR RETURN TO SERVICE.

Part: FUEL TANK — CORRODED (ZONE 100) · corrosion level 2 · airframe 95,559 hrs · 18,250 cycles

EVIDENCE OF CORROSION STA 1240 LBL 60 LH SIDE CANTED PRESS DECK AREA ON TOP OF THE CENTER FUEL TANK. REMOVED CORROSION AT STATION 1240 LBL 60 L/H CANTED SIDE PRESS DECK AREA TOP OF FUEL TANK IAW B747-400 SRM 51-10-10-02-06-0, ALODINED, PRIMED AREA IAW B747-400 SRM 51-20-01-06-0 AND AMM 51-24-21-370-804. REFERENCE FAA FORM 8100-9 ID 202502120089: DATE 19 APRIL 2025 FOR APPROVED REPAIRS COMPLETED. AIRCRAFT APPROVED FOR RETURN TO SERVICE.

Part: PRESSURE DECK — ERODED (ZONE 200) · airframe 95,559 hrs · 18,250 cycles

EVIDENCE OF CORROSION STA 1240 ON THE RH CANTED PRESSURE DECK AREA ON THE OUTBOARD WALL.

Part: ENGINE — SURGES (NR 1) · airframe 95,511 hrs · 18,244 cycles

AIR RETURN TO ORD DUE TO ENGINE 1 SURGE, ALL INDICATIONS ABNORMAL. QRH PERFORMED, ENGINE SHUT DOWN. NO EICAS ALERTS OR STATUS MESSAGES.

Part: CIRCUIT CARD — DIRTY (AFLOTS) · airframe 95,100 hrs · 18,183 cycles

DISCREPANCY: TWO CONSECUTIVE FALSE "FIRE MAIN DECK AFT" AT 1942Z IN CRUISE. CORRECTIVE ACTION: CLEANED AFOLTS CARD YW8A005 PER FIM 2C-16 TASK 877. FIRE SYSTEM TEST PASSED. FIRE SYSTEM GROUND TEST PERFORMED IAW AMM 26-11-00. SYSTEM OK.

Part: CONTROL PANEL — INOPERATIVE (ZONE 200) · airframe 94,737 hrs · 18,129 cycles

AIR RETURN DUE TO HEADING SWITCH MCP UNRESPONSIVE IN ROLL MODE. REMOVED AND REPLACED MODE CONTROL PANEL IAW AMM 22-11-02. OPS TEST PASSES.

Part: SKIN — GROUND DAMAGE (ZONE 100) · airframe 93,706 hrs · 17,986 cycles

DURING WALK AROUND INSPECTION ORD, FOUND DAMAGE TO FUSELAGE SKIN AT BS 200 - 210 BETWEEN S-45L TO S45R, 30-INCH-LONG DENTED, 0.5 INCH DEEP, CAUSED BY GSE EQUIPMENT STRIKING AIRCRAFT. TEMPORARY REPAIR PERFORMED IAW EA 81-2024-083 REV IR, PREPPED FOR SPECIAL FERRY FLIGHT, PERFORMED INSP OF ACFT & ENGS, DETERMINED ACFT SAFE FOR INTENDED FLT FROM ORD TO CVG. PERFORMED THE PERMANENT REPAIR OF DAMAGED SKIN AND STRINGER BETWEEN STATIONS 200-210 & BETWEEN S-45L TO S-45R, IAW EA 126-2024-105 REV IR,

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 92,150 hrs · 17,752 cycles

DISCREPANCY: AIR TURN BACK DUE TO LOSS OF #4 HYDRAULIC FLUID. 50% REDUCTION IN 2 HOURS OF FLIGHT. CORRECTIVE ACTION: UPON ARRIVAL AT GATE ALL FOUR HYD SYSTEMS WERE IN THE GREEN BAND. PERFORMED LEAK CK ON #4 EDP AS PER AMM 29-11-08, NO LEAKS NOTED.

Part: WARNING MESSAGE — ILLUMINATED · airframe 89,014 hrs · 17,235 cycles

IN CRUISE FLIGHT, EICAS MSG "FIRE MN DK AFT" APPEARED NUMEROUS TIMES WITH FIRE BELL & WARNING.

Part: NONE — NONE · airframe 88,966 hrs · 17,227 cycles

ATB, MAIN DECK CARGO FIRE WARNING.

Part: WARNING MESSAGE — FALSE INDICATION (SMOKE DETECTOR) · airframe 88,209 hrs · 17,094 cycles

MAIN DECK CARGO FORWARD DETECTION LOOP B STATUS MESSAGE. DIVERT TO ICN

Part: A/C PACK — FAULTED · airframe 88,106 hrs · 17,072 cycles

PACK 2 - DIVERTED TO SHV UNABLE TO MAINTAIN FL320, CAB ALT 8300 +100 - STABLE AT FL280.

Part: FIRE WARNING — ILLUMINATED · airframe 87,823 hrs · 17,021 cycles

FIRE MAIN DECK EICAS MESSAGE, CREW AND PASSENGER OXYGEN USED, OVERWEIGHT LANDING 311,600KG.

Part: FLAP SYSTEM — FAULT MESSAGE (LE FLAP POS IND) · airframe 87,561 hrs · 16,979 cycles

AFTER TAKEOFF WHEN RETRACTING FLAPS FROM 20 TO 10 WE GOT AN EICAS MSG, FLAPS PRIMARY FOLLOWED BY FLAPS DRIVE.

Part: COMPRESSOR — STALLED (NR 1 ENGINE) · airframe 87,257 hrs · 16,921 cycles

ENGINE NR 1 HIGH EGT, COMPRESSOR STALL, VIBRATION. RAN ENGINE LIMIT SURGE/STALL CHECKLIST. SHUTDOWN ENGINE AND RETURNED TO SHV.

Part: WARNING SYSTEM — ACTIVATED (COCKPIT) · airframe 85,217 hrs · 16,586 cycles

EICAS ALERT - FLAPS DRIVE

Part: UNKNOWN — MALFUNCTIONED (LANDING GEAR) · airframe 85,157 hrs · 16,576 cycles

AIR RETURN DUE GEAR WOULD NOT RETRACT, NUMEROUS EICAS MSGS ON MULTIPLE SYSTEMS. SEE PRINTOUT MTC.

Part: CLAMP — DETACHED (BLEED DUCT) · airframe 82,128 hrs · 16,043 cycles

EICAS MESSAGE AT TOP OF CLIMB "BLD DUCT LEAK (2)". RETURNED TO KORD FOR REPAIRS. FOUND CLAMP BLOWN OFF LEADING EDGE DUCT ON LEFT HAND SIDE.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 77,235 hrs · 15,117 cycles

EMERGENCY AISLE LIGHT 610C IS INOPERATIVE.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 77,235 hrs · 15,117 cycles

EMERGENCY AISLE LIGHT 715L IS INOPERATIVE.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 77,235 hrs · 15,117 cycles

EMERGENCY AISLE SIGN 620C LIGHT IS INOPERATIVE.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 77,235 hrs · 15,117 cycles

EMERGENCY AISLE LIGHT 742C IS INOPERATIVE.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 77,235 hrs · 15,117 cycles

EMERGENCY AISLE LIGHT 530C IS INOPERATIVE.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 77,235 hrs · 15,117 cycles

EMERGENCY AISLE LIGHT 675R IS INOPERATIVE.