N712CK
Registered owner: KALITTA AIR LLC, MI (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
No operator established for this aircraft.
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
R/H HORIZONTAL STAB CLOSURE RIB AT STAB BL 421.5 HAS EVIDENCE OF LIGHTNING STRIKE ON LOWER CHORD AT FASTENER HOLE APPROX 2 INCHES AFT OF STAB L/E.
R/H HORIZONTAL STAB CLOSURE RIB AT STAB BL 421.5 UPPER CHORD HAS EVIDENCE OF LIGHTNING STRIKE AT FASTENER HOLES APPROX 2 AND 4 INCHES AFT OF STAB L/E.
LEFT WING FUEL TANK ACCESS CUTOUT 544AB HAS EVIDENCE OF CORROSION
LEFT WING FUEL TANK ACCESS CUTOUT 553BB HAS EVIDENCE OF CORROSION
RIGHT WING FUEL TANK ACCESS CUTOUT 653BB CUTOUT HAS EVIDENCE OF CORROSION
RIGHT WING FUEL TANK ACCESS CUTOUT 653KB CUTOUT HAS EVIDENCE OF CORROSION
RIGHT WING FUEL TANK ACCESS CUTOUT 652EB CUTOUT HAS EVIDENCE OF CORROSION
45 DEGREE FLOOR ANGLE SUPPORT FITTING CRACKED AT THE FLOOR STA 1480 LBL 80
LEFT WING FUEL TANK ACCESS CUTOUT 553EB HAS EVIDENCE OF CORROSION
LEFT WING FUEL TANK ACCESS CUTOUT 552FB HAS EVIDENCE OF CORROSION
LEFT WING FUEL TANK ACCESS CUTOUT 552EB HAS EVIDENCE OF CORROSION
FUSELAGE STRINGER 3AR FOUND TO HAVE 2EA. CRACKED HOLES AT STA 499
LEFT WING FUEL TANK ACCESS CUTOUT 552DB HAS EVIDENCE OF CORROSION
LEFT WING FUEL TANK ACCESS CUTOUT 552CB HAS EVIDENCE OF CORROSION
LEFT WING FUEL TANK ACCESS CUTOUT 552BB HAS EVIDENCE OF CORROSION
LEFT WING FUEL TANK ACCESS CUTOUT 552AB HAS EVIDENCE OF CORROSION
LEFT WING FUEL TANK ACCESS CUTOUT 545AB HAS EVIDENCE OF CORROSION
LEFT WING FUEL TANK ACCESS CUTOUT 546AB HAS EVIDENCE OF CORROSION
NOSE CARGO DOOR CUTOUT FWD FACING FLOOR BEAM WEB HAS CRACK AT R/H SIDE APPROX S-26 AND STA 240
LEFT WING FUEL TANK ACCESS CUTOUT 546BB HAS EVIDENCE OF CORROSION
INNERMOST RIB IS DAMAGED WHERE LOWER SPRING TUBE OF ACCORDIAN SEAL COMES THROUGH ON THE RT INBD FOREFLAP
FOUND EMERGENCY SIGN OVER THE UPPER DECK CREW SERVICE DOOR TO BE INOP.
LEFT WING FUEL TANK ACCESS CUTOUT 552GB HAS EVIDENCE OF CORROSION
LEFT WING FUEL TANK ACCESS CUTOUT 545BB HAS EVIDENCE OF CORROSION
EXIT SIGN ON MAIN DECK DOES NOT ILLUMINATE.
RIGHT WING FUEL TANK ACCESS CUTOUT 652DB CUTOUT HAS EVIDENCE OF CORROSION
RIGHT WING FUEL TANK ACCESS CUTOUT 652CB CUTOUT HAS EVIDENCE OF CORROSION
RIGHT WING FUEL TANK ACCESS CUTOUT 652BB CUTOUT HAS EVIDENCE OF CORROSION
CRACK IN LOWER T/E STRUCTURE, WS725 JUST AFT OF REAR SPAR
, VERTICAL STIFFENER IS CRACKED ( 1") ON THE AFT SIDE OF THE MAIN DECK FLOORBEAM AT STA 2360 AT RBL 33
VERTICAL STIFFENER IS CRACKED ( 1") ON THE AFT SIDE OF THE MAIN DECK FLOORBEAM AT STA 2360 AT RBL 17.
LEFT INBD FOREFLAP INBD CARRIAGE ATTACHMENT FITTING HAS CORROSION.
RIGHT WING FUEL TANK ACCESS CUTOUT 652AB CUTOUT HAS EVIDENCE OF CORROSION
CRACK FOUND IN DOOR REVEAL WEB DURING VISUAL INSPECTION OF NR 5 DOOR CUTOUT.
RIGHT WING FUEL TANK ACCESS CUTOUT 646BB CUTOUT HAS EVIDENCE OF CORROSION
RIGHT WING FUEL TANK ACCESS CUTOUT 646AB CUTOUT HAS EVIDENCE OF CORROSION
RIGHT WING FUEL TANK ACCESS PANEL 645BB HAS EVIDENCE OF CORROSION
FAA FINDING, MAIN DECK SEAT TRACK IS CORRODED AT STA 1890 AT LBL 11
FWD LOWER CARGO DOOR AFT HINGE MOUNT BRACKET ANGLE HAS EVIDENCE OF A CRACKED.
VERTICAL TEE CRACKED, O/B END OF FIXED T/E BEAM AT WBL429
DOOR RIGHT UPPER DECK. PERFORMED ADJUSTMENT TEST OF DOOR WARNING SYSTEM IAW B747-400 AMM 52-71-00. ALL CHECKS PASS AT THIS TIME.
100248032 - ENGINE INDICATING AND CREW ALERTING SYSTEM UNRELIABLE. MULTIPLE FALSE ENGINE INDICATING AND CREW ALERTING SYSTEM MESSAGES. AUXILIARY POWER UNIT FIRE, BLEED DUCT RIGHT, DOOR NOSE CARGO, AUXILIARY POWER UNIT BOTTLE LOW; ALL SIMULTANEOUS. VERIFIED AUXILIARY POWER UNIT BOTTLE FOUND TO BE GOOD AND NO AUXILIARY POWER UNIT FIRE IAW B747-400 AMM 26-22-02 AND 26-11-00 CHECKS GOOD. BLEED DUCT RIGHT FOUND TO BE GOOD IAW B747-400 AMM 26-11-00 CHECKS GOOD. FOUND DOOR NOSE CARGO TO OPERATE AND INDICATE CLOSED IAW B747-400 AMM 52-31-00 NO DEFECTS NOTED FOR ALL SYSTEMS AT THIS TIME.
EXTERIOR SLIDE LIGHT HAS ONE BULB INOP.
NWW SIDEWALL STA 340 WL 170 LH STIFFENER ATTACH FITTING IS CRACKED.
AFT CARGO DOOR, UPPER FORWARD CORNER AT BS. 1820.0, WL - 178.0 HAS CRACKED ATTACHED L-ANGLE FOR DOOR STRUCTURE
EICAS MESSAGE "TIRE PRESSURE" (EMERGENCY DECLARED INTO ANC)
FOUND CRACK ON FRAME STRAP AND VERIFIED WITH HFEC SURFACE SCAN AT STA 2231 STR 16L AND 17L
RH HORIZONTAL TIP WEB CRACKED AT BL 421
STIFFENER FOUND TO BE CRACKED AT WL 130 BETWEEN STA 300 TO STA 320 NOSE WHEEL WELL INTERNAL
R/H HORIZONTAL TIP LOWER CHORD CRACKED BETWEEN FASTENER HOLES
WING O/B AFT FLAP PANEL IS DAMAGED ON EXISTING REPAIR
SMOKE CREW REST, CAUTION AFTER LIFT OFF. REF TO QRH. PERFORMED INSPECTION OF FUMES IN CABIN IAW FIM 21-00 TASK 810. NO DEFECTS NOTED. NO SMOKE IN CABIN DURING ISSUE SUSPECT EXTERNAL FLUID INGESTION
UPPER DECK ESCAPE DOOR EMERGENCY LIGHT INOPERATIVE.
PANEL 652 EB LOWER SURFACE CUTOUT HAS EVIDENCE OF PITTING.
EVIDENCE OF CORROSION IN SEAT TRACK THROAT APPX STA 2080 RBL 48.58.
EVIDENCE OF DAMAGE ON SEAT TRACK APPX 1775 RBL 45.50.
CREASE BEAM AT STA 960, S-7 L WEB TO FRAME ATTACH ANGLE IS CRACKED.
EVIDENCE OF DAMAGE ON SEAT TRACK APPX STA 1775 RBL 24.75.
LEFT WING FUEL TANK ACCESS PANEL 552AB LOWER SURFACE CUTOUT HAS EVIDENCE OF PITTING.
CREASE BEAM AT STA 980, S-5 R IS CRACKED ON WEB BEND RADIUS.
2 INCH CRACK ON DOUBLER AT STA 420 BETWEEN S-6 R AND S-7 R AFT OF CREW SERVICE DOOR
ENGINE #4 SHUTDOWN IN FLIGHT. ENGINE WINDMILLED = 30 MINUTES. OIL PRESSURE 28 PSI. PERFORMED WINDMILL INSPECTION PER B747-400 AMM 72-00-00, NO DEFECTS NOTED. INSPECTED #4 ENGINE FUEL FILLER FOR CONTAMINANTS PER AMM 73-11-02, NO DEFECTS NOTED. PERFORMED #4 BOOST PUMP OPS CHECK PER AMM 28-22-00. PERFORMED FUEL SPAR VALVE OPS CHECK PER AMM 28-22-00, NO DEFECTS NOTED. TRANSFERRED FUEL INTO #4 MAIN TANK PER AMM 28-26-00. PERFORMED TEST 3 PER AMM 71-00-00, NO DEFECTS NOTED. AIRCRAFT OK FOR SERVICE.
RT WING LANDING GEAR SUPPORT BEAM FUSE PIN HAS CRACKS IN GREASE HOLES APPROX 0.100" L.
LT WING LANDING GEAR SUPPORT BEAM FUSE PIN CORRODED.
NR 1 ENGINE ROLLED BACK FUEL HEAT SHUTOFF AT FLIGHT 340 -16 TAT MACH .840. PERFORMED RAPID RESTART PER QRH PG 69. ALL NORMAL AFTER. PERFORMED FIM 71-01-00 DD, NO CONTAMINATION FOUND IN INLET, TURBINE EXHAUST OR 3.5 BLEED. NO METAL FOD FOUND. INSPECTED FUEL MAIN FILTER IAW FIM 71-01-20, NO CONTAMINATION FOUND. PERFORMED GROUND IDLE RUN IAW AMM 71-00-00, NO LEAKS NOTED. NO FOD OR METAL PARTICLES FOUND IN STARTER DUCT.
AT 1307Z, FL350, STABLE CRUISE FLIGHT, DURING FUEL HEAT APPLICATION, NR 1 ENG FLAME OUT. PERFORMED INFLIGHT ENGINE FAILURE/SHUTDOWN. OIL PRESS 14 PSI. ENG WINDMILLED APPROX 9 MINUTES. NO PARAMETERS EXCEEDED. IN-FLIGHT START SUCCESSFUL. NO CAUTION/WARNINGS. INSPECTED NR 1 ENGINE PER FIM 71-01-00. DD STEP 1, STEP 4, STEP 7. ENGINE CHECKED GOOD 71-01-20. NO EVIDENCE METAL PARTICLE FOUND OR FOD. INSPECTED TURBINE EXHAUST AREA 3.5 BLEED VALVE AND STARTED DUCT AND INLET SECTION. NO FOD FOUND. CONTINUE ENGINE IN SERVICE.
AT 0600Z IN STABLE CRUISE, FL350- SMOOTH AIR, IGNITION ON, FUEL HEAT ON, NR 1 ENG ROLLED BACK - MIN OIL PRESS 35 PSI - NO PARAMETERS EXCEEDED - NO FIRE SWITCH PULLED - NO CAUTION / WARNINGS. 2 RAPID RESTARTS DURING APPROX 3 MINUTES. ENG STARTED BUT NO ACCL UNTIL A DESCENT STARTED, THEN ACCL NORMAL. PERFORMED FUEL SYSTEM FILTER CHECK FOR CONTAMINATION IAW FIM 71-01-20. NO CONTAMINATION FOUND. REPLACED FUEL PUMP FILTER FOR PRECAUTION IAW AMM 73-11-02. OPS AND LEAK CHECK IAW AMM 71-00-00. OPS NORMAL.
CORROSION LT WING FRONT SPAR LOWER CHORD AT WS 1498.
CORROSION LT WING FRONT SPAR LOWER CHORD AT WS 1475.
2 PYLON NAC STA 221.9 BULKHEAD WEB CHAFED AT HYD LINES.
DURING CLIMBOUT - ESTIMATE 1000 FT - LOAD MASTER REPORTED TOXIC FUMES COMING FROM NR 2 POSITION CONTAINER. DECLARED EMERGENCY - RETURNED KIAD. FOUND FUMES COMING FROM FREIGHT GENERATOR IN POSITION 2. GENERATOR REMOVED FROM AIRCRAFT. NO FUMES NOTED. AIRCRAFT OK FOR CONTINUED SERVICE.
EMERGENCY LIGHT JUST FORWARD OF CREW BUNK RIGHT INOPERATIVE. REPLACED LIGHT ASSEMBLY IAW AMM 33-51-07. OPERATIONS CHECK GOOD.
LEFT WING LOWER L/E FUEL ACCESS DOOR HAS A CRACK IN THE SUPPORT STRUCTURE AT WS 807.
INTERCOSTAL CRACKED AT UPPER FLANGE BS 1522, STR 37L.
AFT PIT STABILIZATION STRAP LT SIDE BS 1540-1560 DAMAGED, LBL 85.
AFT PIT STABILIZATION STRAP LT SIDE BS 1620-1640 DAMAGED, LBL 85.
AFT PIT STABILIZATION STRAP LT SIDE BS 1680-1700 DAMAGED, LBL 85.
AFT PIT STABILIZATION STRAP LT SIDE BS 1760-1800 DAMAGED.
EMERGENCY LIGHT IS INOP AT STA 540 RT SIDE UPPER DECK.
NR 2 PYLON BULKHEAD WEB HAS A CRACK AT NAC STA 180, RBL 2, BETWEEN MID SPAR & LOWER SPAR.
UPPER DECK EMERGENCY LIGHT IS INOP.
EMERGENCY EXIT LIGHT IN LIGHTED DOME INOP.
EMERGENCY EXIT SIGN ABOVE UPPER DECK ESCAPE DOOR INOP.
EMERGENCY LIGHT ABOVE EMERGENCY SLIDE INOP.
RIGHT BODY GEAR DOOR ACTUATOR A-FRAME ATTACH FITTING CRACKED .75" AT STA 1350.
LT OTBD MID FLAP AFT SPAR HAS TOOLING DAMAGE. UNDER WBL 815 ACCESS PLATE. (K)
STA 1740 STR 11R SHEAR TIE HAS ELONGATED HOLES. (K)
CORROSION ON FITTING AT WS 530 ON AFT SPAR WEB. (K)
RT WING STA-680 BOOST PUMP CUT OUT CORRODED. (K)
LT WING STA-680 BOOST PUMP CUT OUT CORRODED. (K)
CAPTAINS AFT O/B SEAT TRACK CRACKED .5" AT STOP.
LT WING STA 700 NR 4 AFT BOOST PUMP CUT OUT CORRODED.
R4 DOOR FRAME CRACKED AT BS 1668, S25R. OTBD OR DOOR FITTING.
RT WING UPPER T/E PANEL HAS BULGE ABOVE REAR SPAR AT WBL 241. (K)
AFT PIT FLOORBEAM UPPER T-CHORD CRACKED AT BS 1740, RBL 27. (K)
FUSELAGE FRAME DENTED AT BS 1780, STR10R. (K)
FUSELAGE FRAME SUPPORT T-DAMAGED AT BS 1640, STR 23R. (K)
FRAME AT STA 2716.6 CRACKED BEYOND PREVIOUS STOP DRILL RBL 24 W/L 314 ON APU SUPPORT BEAM.
STA 1352, RBL125, WL 118 ANGLE CORRODED. (K)
FASTENER HEAD MISSING AND SKIN CRACKED UPPER AFT CORNER OF APU INLET OPENING. (K)
FORWARD BILGE FLOORBEAM UPPER CHORD IS DAMAGED AT STA 600, RBL 21. (K)
AFT BILGE FRAME WEB IS CRACKED AT STA 1820, RBL 11. (K)
BULK PIT FLOORBEAM UPPER CHORD DAMAGED AT BS 2080, RBL 23
BS 1820 FLOORBEAM UPPER CHORD DENTED BETWEEN LBL 1 AND RBL 3.
CARGO FLOOR SEAT TRACK CRACKED AT BS 1840, LBL 24.
DOOR OPENING REINFORCEMENT FRAME ATTACH ANGLE DAMAGED AT BS 2230, STR 25R.
DOOR OPENING REINFORCEMENT DRAME ATTACH ANGLE DAMAGED AT BS 2230, STR 23R.
DOOR OPENING REINFORCEMENT FRAME ATTACH ANGLE DAMAGED AT BS 2230, STR 24R.
BS 1720, BBL-0 FLOORBEAM UPPER T-CHORD DENTED. (K)
STA 1720 BB L 0.00, FLOORBEAM UPPER "T" CHORD DENTED. (K)
LT WING UPPER SKIN CORRODED AT FRONT SPAR, WS 380 TO 450. (K)
HORIZONTAL STAB CENTER SECTION LT SIDE SPLICE PLATE CRACKED IN FASTENER HOLE, AFT FASTENER HOLE OF THE 2ND ROW IB OF LBL 43.5, COMMON TO THE UPPER REAR SPAR CHORD. (K)
STRINGER CLIP DAMAGED AT BS 2020, STR-48R. (K)
STRINGER CLIP DAMAGED AT STR 48R STA 2020. (K)
LT WING UPPER SKIN CORRODED AT FRONT SPAR, WS 380 TO 450. (K)
HORZ STAB CENTER SECTION LT SIDE SPLICE PLATE CRACKED IN AFT FASTENER HOLE OF THE 2ND ROW IB OF LBL-43.5. COMMON TO THE UPPER REAR SPAR CHORD. (K)
STA-1640 ABOVE STR-36, FRAME TENSION TIE DENTED. (K)
STA-1740 ABOVE STR-36L FRAME TENSION TIE DENTED.
KEELBEAM ATTACH BRACKET CRACKED AT BS 1267, RBL-9, WL-116.
KEELBEAM ATTACH BRACKET CRACKED AT BS 1267, LBL-9, WL-116.
R1 MAIN ENTRY DOOR FWD VERT FRAME CRACKED AT LOWER CORNER.
STA 1520-1540 ABOVE STR 36R FRAME TENSION TIE BUCKLED.
CORROSION ON RT SIDE OF EMPENNAGE SKIN, BS 2484, WL 216.
STA-2484 AT WL-216 AT LBL-60 SKIN HAS CORROSION 24" BELOW HOR. STAB.
FUSELAGE FRAME IS DENTED AT STA 1800, STR 10R.
STA-1315 STR-22R TO STR-25R DOOR FRAME CORRODED.
AFT BILGE FLOOR BEAM UPPER CHORD IS CRACKED AT STA 2100, RBL 23.
FUSELAGE FRAME IS DENTED AT STA 1740, STR 11R.
FUSELAGE FRAME IS DENTED AT STA 1760, STR 11R.
STRINGER 39L DAMAGED AT STA 1000. (S)
A 1 INCH CRACK AT STA 1480 ON WEB T RBL 108 AT STR 34R. (S)
A 1.5 INCH CRACK AT STA 1480 ON WEB AT LBL 114 WL 168. (S)
NR 1 PYLON DUCT SUPPORT STIFFENER WORN AT DUCT LINK OUTBOARD SIDE OF SPAR AT NAC STA 198. (S)
NR 1 PYLON DUCT SUPPORT STIFFENER WORN AT DUCT LINK INBOARD SIDE OF SPAR AT NAC STA 198. (S)
STA 1700 TO STA 1740 AT STR 34R SKIN HAS NUMEROUS FASTENERS WITH HEADS PULLING. (S)
STA 1740 STR 34R SKIN DAMAGED AROUND FASTENERS. (S)
STR 38R DAMAGED AT BS 512. (S)
STR 37L CRACKED AT BS 384. (S)
FUSELAGE SKIN CORRODED AT BS 1743, STR 40R. (S)
FUSELAGE SKIN DAMAGED AT BS 1865, BETWEEN STR 50R AND 51R. (S)
STA 2130 TO STA 2180 AT STR 34L HAS CORROSION ON SKIN. (A)
AT BS 770, STRINGER 41R DAMAGED. (S)
FUSELAGE SKIN CORRODED BELOW STR 39R AT BS 539. (S)
FUSELAGE SKIN CORRODED BETWEEN BS1960 AND 2010, STR 34L. (S)
FUSELAGE SKIN CORRODED AT BS 2040, STR 34R. (S)
FUSELAGE SKIN DAMAGED AT BS 755, STR 23R. (S)
FUSELAGE SKIN CORRODED BETWEEN BS2080 AND 2130, STR 34L. (S)
STR 34L CORRODED BETWEEN BS 745 AND 800. (S)
NR 2 PYLON NAC STA 200 HAS A DEEP GOUGE AT FRAME BETWEEN STR 1 & 2 RT SIDE. (A)
#2 PYLON NAC STA 200, BETWEEN STR 2 &3 HAS CHAFFED DAMAGED ON OUTBOARD SIDE OF FRAME. (A)
LT WHEEL WELL OVERWING LONGERON HAS CORROSION AT STA 1348, LBL 120, WL 153. (A)
#2 PYLON NAC STA. 180 RT SIDE OF SUPPORT RIB DAMAGED AT NACELLE ANTI-ICE PRESSURE SWITCH MOUNT BRACKET FORWARD ATTACH POINT. (A)
EVIDENCE OF CRACKING ON VERTICAL WEB STIFFENER AT APPROX. BS 1267, WL 116, LBL 4. (A)
STA 710 TO 730 STR-34L HAS DAMAGE ON UPPER FLANGE OF STRINGER. (A)
GILL LINER SUPPORT AFT LOWER ATTACH FASTENER HOLE HAS .5" CRACK AT STA 806 BETWEEN S18 AND 17 LT. (A)
LT BS-800 L-2 DOOR CUT OUT HAS A .5" CRACK AT STR-18L. (A)
LT BS 800 BELOW STR-17L HAS A .250 CRACK FROM EDGE OF FASTENER. (A)
#2 PYLON NAC STA 180 BULKHEAD STIFFENER DAMAGED ON AFT CENTER SIDE OF BULKHEAD. (A)
NR 3 PYLON LT SKIN AT NAC STA-208 HAS TWO CRACKS BELOW DOUBLER. (A)
STA 735 TO STA 745 AT S34L HAS EVIDENCE OF CORROSION UNDER LAP SKIN AND AROUND FASTENERS (B)
BS 705, S33L CRACKED .5 INCHES (B)
UPPER DECK FLOORBEAM WEB IS CRACKED AT STA. 520, RBL 16.(B)
NR 2 PYLON LT SIDE FRAME IS CHAFFED AT FIRE BOTTLE AFT SUPPORT ATTACH POINT AT NAC STA. 162 (B)
RT SIDE FUSELAGE CLOSURE FRAME IS CRACKED 3" AT LOWER FORWARD CORNER OF THE R5 DOOR CUTOUT AT BS 2236, WL 208 (B)
FOUND FRAME WEB DAMAGED APPROX.20" FWD OF I/B AILERON @WBL-455 (B)
R/H WING REAR SPAR TOP CHORD IS CORRODED ON UPPER SURFACE AT WBL 460 (B)
RT WHEEL WELL CANTED BULKHEAD AT STA. 1241 HAS CORROSION ON LOWER CHORD INBOARD OF BULKHEAD FITTING RBL 98 (B)
VERTICAL STAB LEADING EDGE SPAR AT BL-0 FIN STA-225 SKIN DAMAGED (B)
AFT BILGE UPPER TORQUE BOX WEB HAS SEVERAL DENTS AT STA. 1840 TO 1860, LBL 46 TO LBL 62 (B)
UPPER DECK FLOORBEAM WEB HAS A CHAFED AREA AT STA. 440, LBL 36. (B)
AFT BILGE UPPER TORQUE BOX WEB HAS SEVERAL DENTS AT STA. 1680 TO 1700, RBL 47 TO RBL 56 (B)
FRAME WEB DAMAGED APPROX 20" FWD OF I/B AILERON AT WBL-445 (B)
STA-2260 STRINGER 1-L IS CORRODED. (B)
STA-1319 LBL-120 LOWER FRAME TO LONGERON SUPPORT CRACKED 1" (B)
EXTERNAL SKIN AT STA-2050 AT STR-34L HAS MATERIAL LOSS EXCEDING SRM LIMITS (B)
STA-1265 FLOOR INTERCOSTAL, UPPER CHORD HAS CORROSION ON AFT SIDE UPPER FLANGE RBL-108 AT NUT PLATE HOLES. (B)
FUSELAGE FRAME WEB IS CRACKED AT STA. 1265, BELOW STR. 26R (B)
FUSELAGE FRAME WEB IS CRACKED AT STA. 1265, BELOW STR. 26L (B)
MAIN DECK FLOORBEAM INTERCOSTAL UPPER CHORD CORRODED B.S. 1265, LBL-108 (B)
F/E INBOARD SEAT TRACK WORN BETWEEN BS 350 AND 370. (B)
EXTERNAL FUSELAGE SKIN IS DAMAGED AT STA. 550, BETWEEN STR. 41R AND 42R (B)
STA. 434 R1 DOOR FRAME HAS CRACK AT INBOARD HOLE OF FRAME AT STR. 26R (B)
FRAME ATTACH ANGLE IS CRACKED, FORWARD SIDE OF R/H BS 2231 FRAME AT WL 200 LOWER MAIN SILL. (B)
AFT PIT FLOORBEAM WEB CRACKED AT BS 1560 ABOVE STR-46L. (B)
AFT PIT FLOORBEAM UPPER CHORD DENTED AT BS 1580, BL-0. (B)
AFT PIT FLOORBEAM UPPER CHORD DENTED AT B.S.1760, RBL-23 (B)
AFT PIT INTERCOSTAL DENTED AT STR-36R BETWEEN BS 1700 AND 1720. (B)
AFT PIT FLOORBEAM UPPER CHORD DENTED AT B.S.1800, RBL-12 TO RBL-18 (B)
MAIN DECK R2 DOOR LOWER FORWARD CORNER VERTICAL FRAME IS CRACKED 1" LONG AT STA.808, WL 205 (B)
LT WING UPPER SKIN CORRODED AT AFT RABBET AREA W.S.522 (B)
RT WING UPPER SKIN CORRODED AT WBL 148, 6" FWD OF REAR SPAR (B)
AFT PIT FLOORBEAM UPPER "I" CHORD DENTED AT BS1660 ABOVE STR-49L (B)
AFT PIT BILGE TORQUE BOX UPPER PANEL PUNCTURED AT BS 1843, LBL 28 AND BS 1850, LBL 43.
FWD PIT BILGE TORQUE BOX UPPER PANEL PUNCTURED AT BS 670, RBL 50.
NR 1 PYLON NAC STA 235 I/B FRAME CRACKED FWD OF ACCESS PANEL.
AFT PIT BILGE TORQUE BOX UPPER PANEL PUNTURED AT BS 1650, LBL 50.
AFT PIT FLOORBEAM DAMAGED AT BS 1800, LBL 50.
NR 2 PYLON HYD PRESSURE SUPPLY LINE JAM NUT CHAFING INTO AFT SIDE OF NAC STA 221 BULKHEAD WEB.
AFT CARGO DOOR FWD LOWER CORNER HAS APPROX .750 INCH X 1.5 INCH AREA OF EDGE SKIN DAMAGED.
UPPER DECK DOOR EMERGENCY EXIT SIGN INOP.
DURING CLIMB LWR AFT CARGO FIRE WARNING LIGHTS AND BELL CAME ON INTERMITTENTLY. PERFORMED QRH PROCEDURE, EMERGENCY RETURN. INSPECTED AFT LOWER CARGO COMP. AND CARGO. FOUND NO EVIDENCE OF FIRE OR SMOKE. FOUND SMOKE DET NR 3 INTERMITTENT ON TEST. REPLACED BULB AND OPS CHECKED CARGO SMOKE DET SYS. IAW MM 26-16-00. OPS CKS NORMAL.
EMERGENCY LIGHT INOPERATIVE. SECURED GROUND STUD TERMINAL END FOR LIGHT ASSY. OPS CHECKS NORMAL IAW B747 MM 33-51-00.
NR 2 PYLON HYD PRESSURE SUPPLY LINE JAM NUT CHAFING INTO AFT SIDE OF NAC STA 221 BULKHEAD WEB.
AFT PIT FLOORBEAM DAMAGED AT BS 1800, LBL 50.
AT 100 FT AFTER TAKEOFF THE NR 2 ENGINE FAILED.
SHUTDOWN NR 2 ENGINE IN FLIGHT; AT APPROX. 4000 FT AGL NR 2 ENGINE SURGED AND BANGED FOLLOWED WITH HIGH EGT 1150 DEG.C. RETURNED TO VHHH AND ALL OTHER ENGINE PARMETERS NOT EXCEEDED.
NR 1 VHF AND NR 2 VHF WILL NOT RECEIVE. REMOVED AND REPLACED NR 1 AND NR 2 VHF COMM PANEL IAW 747 MM 2320. OPERATIONS CHECKS GOOD. (M)
YQX - FLT 13283 - LOST NR 2 ENGINE AT ALT AFTER VIBRATION WAS FELT. SECURED ENGINE ACCORDING TO CHECKLIST. WHEN INSPECTED FOUND C1 BLADES BROKEN. REMOVED AND REPLACED NR 2 ENGINE IAW 71-00-02. B747 MM TESTED AND OPS CHECK GOOD. (M)
RT AILERON O/B GROUND STRAPS AT T/E CORRODED AND DISBONDED AT STATIC DISCHARGERS. REPAIRED IAW ASA CKF-EXW-090 SUPP SHEET 2. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C57-560-01-02.
L2 DOOR UPPER GATE ASSY CORRODED. BLEND OUT BEYOND SRM LIMITS. REPAIRED IAW CKF-B-010. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-200-01-02.
AFT CARGO DOOR SKIN AT STA 1832 FOUND TO BE BEYOND SRM LIMITS AFTER GRINDING OUT CORROSION. REPAIRED IAW CKF-AMD-086 SUPP SHEET 1.
LBL75 AND RBL75 SEAT TRACKS CORRODED. REMOVED AND REPLACED SEAT TRACKS IAW BOEING ENG DRWING. FOUND DURING C AND D CHECK AND CPCP. WORK ORDER NUMBER MO280, NON-ROUTINE TASK NUMBER 65B20459-518-IO1. CPC WORK CARD NUMBER C53-210-0103.
ON WING TO BODY FAIRING SUPPORT STRUCTURE, STA 960, WL 95 TO 98, RBL 1-RBL 22 SPLICE WEBS FOUND AREA 3 X 22 CORRODED. BLEND OUT BEYOND SRM LIMITS. REPAIRED IAW ASA CKF-K1-031 SUPP SHEET 1. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-190-01-02.
LT AILERON T/E GROUND STRAP DISBONDED AND CORRODED AT STATIC DISCHARGERS. REPAIRED IAW CKF-EXW-088 SUPP SHEET 2. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C57-560-01-01.
LT I/B MIDFLAP REAR SPAR LWR CHORD STA 136 HAD 10 X 2 AREA OF CORROSION ON LWR SFC. BLEND OUT BEYOND SRM LIMITS. REPAIRED IAW ASA CKF-EXW-050 SUPP SHEET 2. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C57-560-01-01.
LWR FWD CORNER OF DOOR CUTOUT AT DOOR NR 3 RT, ZONE 250, STA 1319, WL 200 TO 208, RBL 126 CORRODED. BLEND OUT BEYOND SRM LIMITS. REPAIRED IAW ASA CKF-CA-020 SUPP SHEETS 1 & 2. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-200-01-03.
SKIN PANEL ASSY AT C AFT, ZONE 200, STA 1272, WL 212, LBL 124 HAS CORROSION. BLEND OUT BEYOND SRM LIMITS. REPAIRED IAW CKF-CA-008. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-210-01-03.
SEAT TRACK LOCATED AT AFT MAIN DECK ZONE 200, STA 1950 TO 2085, LBL 11, WL 199 HAS AREA OF CORROSION 1.5 X .9. REPAIRED IAW CKF-AMD-120- SUPP SHEETS 3, 4, 5, 6, 7. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-210-01-04.
SHEAR TIE AT ZONE 120, STA 980, STR 47L, WL 95, LBL 0, HAD AREA OF CORROSION APPROX 3 X 4. ALSO STR 47R AT SAME LOCATION HAD AREA OF CORROSION APPROX 2 X 6. REPAIRED IAW SRM 747-51-10-01 AND ASA CKF KI-022. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-125-01-01.
AT AFT MAIN DECK ZONE 200, STA 1580, LBL 33, WL 199 FOUND HAT SECTION OF SEAT TRACK HAS NUMEROUS AMOUNTS OF GOUGES ENCOMPASSING A 4.5 LENGTH X .4 WIDTH. REPAIRED IAW CKF-AMD-115 SUPP SHEET 2, CKF-AMD-145. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-210-01-03.
RIGHT HAND I/B FOREFLAP, LWR SURFACE I/B FWD PANEL HAD CORROSION. FOUND TO BE BEYOND SRM LIMITS. REPAIRED IAW ENG DWG 65B39011. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C57-560-01-02.
SEAT TRACK AT AFT MAIN DECK, STA 1820, WL 199, LBL 39 BEYOND SRM LIMITS. REPAIRED IAW CKF-AMD-101, CKF-AMD-113. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, JOB/TASK NUMBER 7DI1402.
SKIN LOCATED AT LT HORIZ STAB, ZONE 200, STA 2436, 15-21 LT, WL 265 CORRODED. BLEND OUT BEYOND SRM LIMITS. REPAIRED IAW SRM 53-30-03 FIG 41, DETAIL I AND CKF-EXB-069, SUPP SHEET 1. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-310-01-01.
SEAT TRACK AT STA 1945 TO 1970, WL 200, LBL 11.33 FOUND BEYOND SRM LIMITS AFTER GRIND OUT. REPAIRED IAW CKF-AMD-083 SUPP SHEET 2 THROUGH 7. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-210-01-04.
UPPER AND LOWER GATE ASSY ON L3 DOOR CORRODED. BLEND-OUT BEYOND SRM LIMITS. REPAIRED IAW CKF-CA-003 ITEM 1, MM 747-52-11. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-210-09.
SEAT TRACK AT STA 1700-1710, RBL 33, WL 199, ZONE 200 FOUND TO BE BEYOND SRM LIMITS. AREA OF APPROX 1.5 GROUND PAST LIMITS. REPAIRED IAW CKF-AMD-030, CKF-AMD-074 SUPP SHEET 2. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-210-01-03.
THE I/B SIDE OF FLOORBEAM WEB AT STA 1270 TO 1300, RBL 33, WL 189 CORRODED BEYOND SRM LIMITS. REPAIRED IAW CKF-CA-007 SUPP SHEET 1, SRM 53-10-07 PG 7, CKF-CA-019, CKF-CA-015 SUPP SHEET 1. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-210-06.
R5 DOOR UPPER GATE FOUND TO BE BEYOND SRM LIMITS. REPAIRED IAW CKF-AMD-073. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-210-01-04.
SEAT TRACK AT AFT MAIN DECK ZONE 200, STA 1900, WL 199, RBL 11, AREA APPROX 1 X .8 CORRODED BEYOND SRM LIMITS. REPAIRED IAW CKF-AMD-104 SUPPLEMENTAL SHEET 1 & 2, ITEMS 1 THRU 3. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-210-01-04.
SPLICE ANGLE HAS .7 X .6 AREA OF CORROSION AT STA 1770, LBL 11, WL 199. FOUND TO BE BEYOND SRM LIMITS. REPAIRED IAW CKF-AMD-088. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-210-01-04.
FLOORBEAM UPPER CAP IN ZONE 200, STA 1780, WL 199, LBL 23 FOUND 1.5 SQUARE AREA OF CORROSION BEYOND SRM LIMITS. ALSO AT LBL 35 FOUND 1.5 X 2 AREA OF CORROSION BEYOND SRM LIMITS. REPAIRED IAW CKF-AMD-087 SUPP SHEETS 1-3. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-210-01-04.
STA 1960, STR 49R, 5 AREA ABOVE AND BELOW SKIN BUTT JOINT, SKIN IS BULGING AROUND FASTENERS. DISASSEMBLED FOR INSPECTION IAW BOEING CPM D6-41910 SEC 53-30-47 PART III. REPAIRED IAW CKF-AMD-095 SUPP SHEET 1. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-100-01-06.
FLOORBEAM UPPER CAP CORRODED AT ZONE 260, STA 1740, WL199, LBL37. AREA APPROX 21 SQ INCHES. REPAIRED IAW BOEING AMMENDMENT CKF-AMD-034 SUPP SHEET. FOUND DURING ACCOMPLISHMENT OF C, D CHECK, CPCP WORK CARD ACCOMPLISHMENT. WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-210-01-04.
ZONE 140 AFT CARGO DOOR T-FRAME INTERIOR DOOR SRTUCTURE CORRODED BEYOND LIMITS. REPAIRED IAW ASA-CKF-AMD-055 SHEET 5. FOUND DURING ACCOMPLISHMENT OF C, D CHECK, CPCP WORK CARD ACCOMPLISHMENT. WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-110-01-03.
FOUND WIDESPREAD CORROSION ON SKIN FROM STA 2160-STA 2180 AND STR47-STR51. REPAIRED IAW BOEING ENG DWG ASA-CKF-AMD-082 SK020/RD622 SHEETS 1 THROUGH 4. FOUND DURING ACCOMPLISHMENT OF C, D CHECK, CPCP WORK CARD ACCOMPLISHMENT. WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-125-01-02.
STA 1950-1960 STRINGER 51R HAS 8.5 AREA OF CORROSION. REPAIRED IAW ASA CKF-AMO-047 AND ASA- AMD-057. FOUND DURING ACCOMPLISHMENT OF C, D CHECK, CPCP WORK CARD ACCOMPLISHMENT. WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-125-01-02.
STRINGER AT STA 1760, STR 44R CORRODED BEYOND LIMITS. REPAIRED IAW SRM 51-30-02 AND DWG 65B04143 SHT 5. CORROSION APPROX 8 LONG BY 1 WIDE BY .030 DEEP. FOUND DURING ACCOMPLISHMENT OF C, D CHECK, CPCP WORK CARD ACCOMPLISHMENT. WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER.
SEAT TRACK AT SEC 41 UPPER DECK, ZONE 200 STA581, W/308, RBL65 CORRODED. REPAIRED IAW SUPP SHEET CKF-A-050 SHEET NR 1 AND NR 2. FOUND DURING ACCOMPLISHMENT OF C, D CHECK, CPCP WORK CARD ACCOMPLISHMENT. WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-210-01-02.
SHEAR TIE AT ZONE 100, STA 1740, STR 47L-48L CORRODED. REPAIRED IAW DWG 65B04324 SH 6, SUPP SHEETS 1 AND 2. FOUND DURING ACCOMPLISHMENT OF C, D CHECK, CPCP WORK CARD ACCOMPLISHMENT. WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-110-01-03.
SEAT TRACK CORRODED AT SEC 41 UPPER DECK (200), STA 540 TO STA600, WL308, RBL46. REMOVED AND REPLACED IAW 747SRM 53-10-05, ALTERNATIVE I, PG 2A (BAC1520-1566 M/C NR 13-7856-6800 605-CO2). FOUND DURING ACCOMPLISHMENT OF C, D CHECK, CPCP WORK CARD ACCOMPLISHMENT. WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-210-01-02.
LT I/B MIDFLAP SKIN HAD 4 X 10 AREA OF DELAMINATION AND .30 HOLE. REPAIRED IAW CKF-EXW-051 SUPP SHEETS 2, 3, 4. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C57-560-01-01.
LT I/B FLAP PANEL DELAMINATED AND CORRODED. REPAIRED IAW ASA CKF-EXW-021, SRM 51-40-06, D6-500. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C57-560-01-01.
LONGERON CHORD FWD END AT STA 1220 TO 1238 CORRODED. AFTER CORROSION REMOVED, NDI SHOWED 10 INCH CRACK DUE TO INTERGRANULAR CORROSION. REPAIRED IAW ASA CKF-EXB-080 SUPP SHEETS 1 & 2.
DURING INSPECTION OF STA 1238 TO 1265 CANTED BULKHEAD FOUND AREAS OF CORROSION 3 X 1, 5 X 2 ON 65B07992-255 STIFFENER. REPAIRED IAW CKF-CF-003, CKF-CF-009 SUPP SHEET 1. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-210-02-01.
STRINGER NR 65B04133-9 LOCATED AT LOWER CARGO AREA ZONE 100, STA 1660, STRINGER 47L HAD AREA 6 SQUARE OF CORROSION. REPAIRED IAW SRM 51-10-01, CKF-AMD-147, CKF-AMD-150 SUPP SHEETS 1, 1A, 2, 3, CKF-AMD-152. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-125-01-02.
SEAT TRACK AT AFT MAIN DECK, STA 1900 TO 1910, RBL 33, WL 199 CORRODED AREA .8 X .7 BEYOND SRM LIMITS. REPAIRED IAW CKF-AMD-103 SUPP SHEET 2. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-210-01-04.
R4 DOOR UPPER AND LOWER GATE FOUND BEYOND SRM LIMITS AFTER GRIND OUT. REPAIRED IAW SRM 51-30-02, ADJUSTED PER MM 52-11-01. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-210-09-04.
AFTER REMOVAL OF CORROSION ON FLOORBEAM UPPER CAP REMAINING MATERIAL BEYOND SRM LIMITS. LOCATION STA 1680, WL 200, LBL 40. REPAIRED IAW CKF-AMD-038 SHEET 1. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-210-01-03.
SKIN PANEL AT STA 550, LBL 15-18, WL 95 HAD AREA 3.5 X 6 CORRODED. REPAIRED IAW ASA CKF-KI-51 SUPP SHEET 2. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-125-01-01.
STRINGER NEAR FWD LAV SVC PANEL ZONE 120, STA 550, STR 46L, WL 95, LBL 15 HAD AREA 7 X 2 CORRODED. REPAIRED IAW ASA CKF-K1-051 SUPP SHEETS 1 & 2. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-125-01-01.
AT TOP SIDE OF RT WING STA 1120, WL 185, RBL 125, 3 AREAS OF CORROSION. AREA 1, .5 X 6, AREA 2, 3 X .9, AREA 3, .70 X 1.30. REPAIRED IAW CKF-EXW-072 SUPP SHEET 1. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-190-01-02.
NR 4 FLAP TRACK BEARING PLATE AND BUSHING HOLE CORROSION EXCEEDS LIMITS. REPAIRED IAW OHM 57-52-70 REPAIR 6.1 PARA 4, SB 747-57-2207. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C57-560-03-01.
LT I/B MIDFLAP REAR SPAR WEB CORRODED. BLEND OUT BEYOND SRM LIMITS. REPAIRED IAW ASA CKF-EXW-052 SUPP SHEETS 2, 3, 4. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C57-560-01-01.
LOWER LOBE SKIN BETWEEN STA 2140 AND 2190, STRINGERS 46R TO 46L, WL 125 HAS WIDESPREAD AREA OF CORROSION. BLEND OUT BEYOND SRM LIMITS. REPAIRED IAW CKF-EXB-020 AND BOEING SB 747-53-2156. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-125-01-02.
SKIN PANEL LOCATED AT STA 830, WL 90, LBL 13 CORRODED. BLEND OUT BEYOND SRM LIMITS PER SRM 53-30-03 FIG 2. REPAIRED IAW CKF-EXB-089 SUPP SHEET 1. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-100-01-03.
SPLICE PLATE LOCATED ON LWR BODY FAIRING SUPPORT STRUCTURE, ZONE 140, STA 1480 TO 1540, WL 90, BL 0 CORRODED. BLEND OUT BEYOND SRM LIMITS IAW 53-50-01. REPLACED PER REQMNTS OF 65B06755-1, CKF-EXB-068. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-190-01-02.
FWD LONGERON CHORD AT LT W/W ZONE 100, STA 1322, LBL 126, WL 158 CORRODED. REPAIRED IAW CKF-EXB-080 SUPP SHEET 2, BOEING SB 747-53-2240. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-100-01-07.
R2 DOOR UPPER GATE CORRODED. BLEND OUT BEYOND SRM LIMITS. REPAIRED IAW CKF-B-011. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-210-09.
L4 LOWER GATE FOUND BEYOND SRM LIMITS AFTER GRIND OUT. REPAIRED IAW SRM 51-30-02, ADJUSTED PER MM 52-11-01. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-210-09-04.
AT AND AROUND LT DUMP VALVE, FOUND WIDESPREAD LEVEL 2 CORROSION AFFECTING SKIN, STRINGER, SHEAR TIE, FRAME, RIB, DOUBLER, LOCATED AT ZONE 100, STA 2180-2200, STR44L, WL130, LBL40. REPAIR IAW BOEING DOC CKF-AMD-121, CKF-AMD-152. FOUND DURING ACCOMPLISHMENT OF C, D CHECK, CPCP WORK CARD ACCOMPLISHMENT. WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-125-01-02.
65B04348-167 WEB CORRODED AT INBD END APPROX AREA .60 BY .40, STA2220, RBL50, WL160. REPAIRED IAW DWG 65B04348 SH 9, SUPP SHEET NR 1. FOUND DURING ACCOMPLISHMENT OF C, D CHECK, CPCP WORK CARD ACCOMPLISHMENT. WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-125-01-02.
DOOR L5 LWR GATE ASSY CORRODED BEYOND SRM LIMITS. REPAIRED IAW DWG 65B09891-47. FOUND DURING ACCOMPLISHMENT OF C, D CHECK, CPCP WORK CARD ACCOMPLISHMENT. WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-200-01-04.
L1 DOOR LOWER GATE CORRODED, ZONE 831, STA440-480, WL200, LBL110, LOCAL CORROSION. FOUND DURING ACCOMPLISHMENT OF C, D CHECK, CPCP WORK CARD ACCOMPLISHMENT. WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-210-09-01.
SEAT TRACK CORRODED BEYOND SRM LIMITS, STA2240, RBL75, WL199, 1.5 SQ AREA. REPAIRED PER CKF-AMD-066 SHEET 1. FOUND DURING ACCOMPLISHMENT OF C, D CHECK, CPCP WORK CARD ACCOMPLISHMENT. WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-210-01-04.
FLOORBEAM UPPER CAP HAS AREA OF CORROSION APPROX 1.5 BY 2, ZONE 140, STA1700, WL200, LBL40. REPAIRED IAW CKF-AMD-063 SUPP SHEET 1. FOUND DURING ACCOMPLISHMENT OF C, D CHECK, CPCP WORK CARD ACCOMPLISHMENT. WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-210-01-03.
MAIN DECK CARGO DOOR UPPER CHORD CORRODED. EXTENDS UNDER HINGE. REPAIRED IAW CKF-AMD-094 SHEET 1, BAC5300, BAC5004-2. FOUND DURING ACCOMPLISHMENT OF C, D CHECK, CPCP WORK CARD ACCOMPLISHMENT. WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-200-01-04.
REF CKF-AMD-026, TKR 1394706 AND 1394707, MM52-32-01 AND SB 747-52-2186. TWO MAIN DECK CARGO DOOR LATCH FITTINGS CORRODED. REPLACED IAW APPLICABLE ENG DWG AND SB REQUIREMENTS (REF SB'S 747-52-2186 AND 52-2142). FOUND DURING ACCOMPLISHMENT OF C, D CHECK, CPCP WORK CARD ACCOMPLISHMENT. WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-200-01-04.
INTERNAL DOOR NR 5 RT HINGE WEB CORRODED. REPLACED IAW ENG DWG 65B05091 SHEET 2 REV E ZONE A5 AND SHEET 10 VIEW 2A5-3 ZNB13. FOUND DURING ACCOMPLISHMENT OF C, D CHECK, CPCP WORK CARD ACCOMPLISHMENT. WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-200-01-04.
SEAT TRACK AT SEC 41, UPPER DECK ZONE 200, STA 540 TO 600, WL308, RBL46 CORRODED. REF TASK CARD NR ASA CKF-A-042 ITEM 1 AND 2. REPAIRED PER SUPPLEMENTAL SHEET NR 1. FOUND DURING ACCOMPLISHMENT OF C, D CHECK, CPCP WORK CARD ACCOMPLISHMENT. WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-210-01-01.
NR 2 STIFFENER IN RT NR 1 PYLON HAS NUMEROUS AREAS OF CORROSION. NDT VERIFIED OUT OF LIMITS. REPAIRED IAW ASA CKF-PYL-017, CKF-PYL-029 & CKF-PYL-031 INCL ALL SUPP SHEETS. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, ASA TASK CARD NUMBER CKF-PYL-003.
FWD CARGO DOOR AT ZONE 120, STA 592, INTERIOR DOOR SKIN/WEB HAD AREA 1 X 3 OF CORROSION. FOUND TO BE OUT OF LIMITS. REPAIRED IAW ASA CKF-K1-026 SUPP SHEETS 3 & 4. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-110-01-02.