Boeing 747-47UF

Service difficulty reports · 3,114

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duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE aircraft_model_key = '74747UF'
  ORDER BY difficulty_date DESC"

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SDR UIEA2026100600963Relay · faultedREJECTED TAKE OFF DUE TO #2 ENG REVERSER EICAS MSG(<P>TRANSFER TO DMI 260447 PER MEL 78-31-01A CAT C DUE DATE 16OCT2026</P> / <P>LP 2029709 M5: T/S AND PERFORMED WIRING CHECK. FOUND GRD SAFETY RELAY R8016 DEFECTIVE. REMOVED AND REPLACED RELAY & PERFORMED #2 T/Oct 6, 2026 · N492MC · Boeing 74747UF · Engine Thrust ReverserSDR UIEA2026100400944Pcb · damagedEQUIPMENT COOLING EICAS CAUTION F270 ON CLIMB. CAPT ND BLANK FOR 30", FO PFD FLICKERED ON CLIMB. MESSAGE BLANKED THEN LOST CAPT ND AND FO ND WAS INTERMITTENT. R & R PRINTED CIRCUIT ASSY IAW AMM 21-58-05/401 & IPC 21-58-55-01B. OPS CHK OK; SCREENS ARE NO LONGOct 2, 2026 · N408MC · Boeing 74747UF · Air Conditioning System WiringSDR UIEA2026092800920Hydraulic System · leakingRECEIVED REPORT OF HYD LEAK OBSERVED ON GROUND DURING TAXI/TAKEOFF. OBSERVED DROP IN HYD 1 QTY FROM 1.01 TO 0.88. ASSUMED ACTIVE LEAK AND RTB. FOUND HYD LEAK AT LINE FITTINGS CONNECTED TO THE LH WING #1 HYD SUPPLY SHUT-OFF VALVE. HYD LINES TIGHTENED PROPERLY Sep 29, 2026 · N498MC · Boeing 74747UF · Hydraulic System, MainSDR UIEA2026092200907Display · failedFO INBOARD IDU SHOWED GARBLED INFO. R & R FO NAV DISPLAY IAW AMM 31-61-02 AND IPC 31-61-01A. OPS CHECK GOOD.</P>)Sep 22, 2026 · N416MC · Boeing 74747UF · Central DisplaySDR UIEA2026092000888Indicator · failedSTBY ATTITUDE INDICATOR FAILED AFTER TAKEOFF. REMOVED AND REPLACED STANDBY ATTITUDE INDICATOR AS PER AMM 34-24-01/401 AND AIPC 34-24-01-05. OPS CHECK PASSED, NO FURTHER DEFECTS NOTED.</P>)Sep 20, 2026 · N496MC · Boeing 74747UF · Attitude Gyro and Indicating SystemSDR UIEA2026091700882Engine · vibrationMULTIPLE ALT VIBRATIONS FELT FIRST THEN INDICATIONS ON NR 1 ENG UP TO 5.0. ACCOMPLISHED VIBE SURVEY ENGINE SUCCESSFULLY BALANCED N1 AT 0.6 AT 99% N1 IAW AMM 71-00-00 AND 72-32-00 AND ECM 2026P-292. NO FURTHER DEFECTS NOTED.Sep 17, 2026 · N415MC · Boeing 74747UF · Engine (Turbine/Turboprop)SDR UIEA2026091300876Actuator · leakingEICAS MSG HYD PRESS SYS 3 AND HYD QTY LOW 3. COMPLIED WITH QRH. FOUND HYD LEAK FROM RH OTBD SPOILER ACTUATOR NR 9. REMOVED AND INSTALLED SPOILER CONTROL PACKAGE IAW AMM 27-61-05-402-012, APIC 27-61-05-01. OPS CHK AND LEAK CHK GOOD.Sep 12, 2026 · N498MC · Boeing 74747UF · Hydraulic System, MainSDR UIEA2026090700857Shutoff Valve · brokenEICAS BLEED 4 ON TAKE OFF ROLL. DURING INSPECTION OF HPSOV, FOUND TERMINAL NR 1 ON HPSOV BROKEN. SPLICED NEW TERMINAL IAW SWPM SECTION 20-30. OPS CHECK & IDLE RUN GOOD IAW AMM 36-11-05/501 AND 71-00-00.Sep 7, 2026 · N498MC · Boeing 74747UF · Pneumatic Distribution SystemSDR UIEA2026090200846Rod · brokenGEAR DOOR & GEAR MONITOR STATUS MESSAGE. LT WING LG DOOR FOUND OPEN. LINKAGE ROD FOUND BROKEN, 2 RODS FOUND BENT ON FORWARD RADIUS ROD SUPPORT. ALL RODS REPLACED, AND DOOR EXTENSION AND RETRACTION PERFORMED. SYSTEM WORKS PROPERLY PER AMM 32-12-02-401, AMM 32-Aug 31, 2026 · N477MC · Boeing 74747UF · Landing Gear Door Retract SectionSDR UIEA2026082000782Switch · faultedRTO MASTER WARNING AURAL "CONFIG SPOILERS". LOW SPEED RTO 65KTS, RETURNED TO GATE. R & R AUTOMATIC SPEED BRAKE ARM SWITCH IAW AMM 27-62-10/401 AND AIPC 2762-55-01 ITEM 344. PERFORMED OPS CHK, CHKD OK. PERFORMED T/O WARNING TEST IAW AMM 31-51-00-725-024, TEST Aug 20, 2026 · N409MC · Boeing 74747UF · Drag Control SystemSDR UIEA2026081200747Engine · faultedENGINE 2 OIL TEMP INFLIGHT. ENG 2 IFS. PERFORMED WINDMILLING INSPECTION & NO TROUBLE FOUND IAW AMM 72-00-00/601. PERFORMED ENG MAG CHIP INSPECTION & NO TROUBLE FOUND IAW AMM 79-00-00/601. R & R NR 2 ENG'S EEC & OPS CHECKED OK IAW AMM 73-21-15/401, AMM 79-34-0Aug 12, 2026 · N408MC · Boeing 74747UF · Engine (Turbine/Turboprop)SDR UIEA2026081100740Tru · faultedEICAS MSG "ELEC GEN 3". COMPLIED QRH PROCEDURE(<P>AS A PRECAUTIONARY, R/R TRANSFORMER ASSY T4006 PER AMM 24-23-03/401 & IPC 24-23-03-034. PERF IDLE RUN UP OF #2 & #3 ENGINE IAW AMM 71-00-00/501. OPS CHK OK, ALL INDICATIONS NORMAL AND WITHIN LIMITS. FOUND WIRE Aug 10, 2026 · N412MC · Boeing 74747UF · AC Generator-AlternatorSDR UIEA2026081000719Fitting · crackedFOUND LUG FITTING CRACK AT FWD CARGO, BS 1000, LBL 11.33. REMOVED DAMAGED PART IAW SRM 51-40-02-0G-0, REV 107. INSTALLED NEW PART IAW SRM 51-40-02-0G-0, REV 107 AND REF EO 4453C024, PART 3, REV 4. CONDITION CHKD NORMAL.Aug 8, 2026 · N416MC · Boeing 74747UF · Fuselage Main, Attach FittingsSDR UIEA2026081000721Shear Tie · crackedFOUND SHEAR TIE CRACK AT STA 1000 RBL 33, FWD CGO. REMOVED DAMAGED PART IAW SRM 51-40-02-0G-0 REV 107. PERFORMED EI T2026A53M-1419, REV 0, AND REF EO 4453C024, PART 8, REV 4. ACCOMPLISHED EI T2026A53M-1419, REV 1. CONDITION CHKD NORMAL.Aug 8, 2026 · N416MC · Boeing 74747UF · Fuselage Internal Mounting StructureSDR UIEA2026081000722Seat Track · crackedFOUND SUBSTITUTE SEAT TRACK SURFACE CRACKED AT M/D BS 1000, LBL 75.92. REMOVED DAMAGED TRACK IAW SRM 51-40-02-0G-0, REV 107. REPAIRED DAMAGED AREA IAW W/S 64525, SRM 53-00-52-2R-13, REV 107. INSTALLED FASTENERS IAW SRM 51-40-02-0G-0, REV 107, AND DWG 65B82Aug 8, 2026 · N416MC · Boeing 74747UF · Fuselage, Seat/Cargo Attach FittingsSDR UIEA2026081000723Cargo Track · brokenFOUND FWD CARGO TRACK BROKEN BS 560, LBL 24.75. REMOVED DAMAGED IAW SRM 51-40-02-0G-0, REV 107. REPAIRED DAMAGED AREA IAW W/S 60524, SRM 53-00-52-2R-10 REV 107, & EI T2026A53M-1614, REV 0. INSTALL FASTENERS IAW SRM 51-40-02-0G-0, REV 107, AND DWG 65B12300Aug 8, 2026 · N416MC · Boeing 74747UF · Fuselage, Seat/Cargo Attach FittingsSDR UIEA2026081000724Spar Web · noneFOUND EXISTING REPAIR ON VERTICLE STAB REAR SPAR WEB BETWEEN VSS 205 - VSS 220. REMOVED EXISTING REPAIR DOUBLER IAW SRM 51-40-02-0G-0, REV 107. REPAIRED DAMAGED AREA IAW W/S 60564 SRM 55-30-10-2R-2 REV 107. CHKD NORMAL.Aug 8, 2026 · N416MC · Boeing 74747UF · Standard Practices/StructuresSDR UIEA2026081000734Bulkhead · modificationPERFORMED BS 2598 BULKHEAD MODIFICATION, FOUND DEVIATION AT DOUBLER. ACCOMPLISHED EI T2026A53M-1528, REV 1, AND EI T2026A53M-1439, REV 1. CHECKED NORMAL.Aug 8, 2026 · N416MC · Boeing 74747UF · Standard Practices/StructuresSDR UIEA2026081000735Repair · noneEXISTING REPAIR ON RT WING OTBD MID FLAP LOWER SURFACE. PERFORMED PERMANENT REPAIR ON RT WING OTBD MID FLAP LOWER SURFACE, WBL 563 IAW SRM 57-53-01-2R-1 AND SRM 51-70-10-2R-0, REV 107. CONDITION CHECK IS SATISFACTORY. REPAIR PROCESS REFER TO J/C ATTACHING SHAug 8, 2026 · N416MC · Boeing 74747UF · Trailing Edge FlapsSDR UIEA2026081000736Splice Angle · crackedCRACK, PERFORMED SB 4453B761, PART 1-2. FOUND A CRACK AT BS 2598, S11R, RT FWD LWR FITTING AREA. ACCOMPLISHED EI 2026A53M-1510, REV 2, AND DWG 65B02706, SH 24, REV A, AND DWG 65B02597, SH 2 REV H, AND DWG 65B02509, SHT 3, REV R. CHECKED NORMAL.Aug 8, 2026 · N416MC · Boeing 74747UF · Fuselage Main, StructureSDR UIEA2026081000737Angle · corrodedFOUND CORROSION ON THE UPPER ANGLE BS 1030, LBL 11.33. ACCOMPLISHED W/S 60551 IAW SRM 53-40-52-2R-3, REV 107. & EI T2026A53M-1522, REV 1. CHECKED NORMAL.Aug 8, 2026 · N416MC · Boeing 74747UF · Fuselage Main, StructureSDR UIEA2026081000738Repair · nonePERFORMED UPGRADE TIME-LIMITED REPAIR ON SEC 48 FUSELAGE SKIN AT BS 2600, S51R. ACCOMPLISHED EI T2026A53M-1409, REV 1, AND DWG 65B02509, SH 9, REV C, AND DWG 65B02700, SH 2, REV G, SH 6, REV -. CHECKED NORMAL.Aug 8, 2026 · N416MC · Boeing 74747UF · Standard Practices/StructuresSDR UIEA2026080700685Heat Exchanger · faultedENG 2 OIL TEMP EICAS MSG. FL 380 MAX OIL TEMP APPROX 194. ENG 2 SHUT DOWN. PERFORMED FIM 79-00, FT FIG 109. R & R FUEL/OIL HEAT EXCHANGER IAW AMM 79-21-01-404-014-J00, OPS CHECK & LEAK CHECKED GOOD. RUN ENG NR 2 AT DIFFERENT POWER SETTINGS AND OIL TEMP NORMAAug 7, 2026 · N408MC · Boeing 74747UF · Engine Oil CoolerSDR UIEA2026080600684Smoke Detector · activatedSMOKE IN CREW REST EICAS AT 1955Z FOR ABOUT 5 MINS. SMOKE DISSIPATED AND EICAS DID NOT RETURN. REPLACED ALL PACK WATER SEPERATOR COALESCER BAGS IAW AMM 05-51-56 AND FIM 21-00 TASK 810. REPLACED CREW REST AREA SMOKE DETECTOR IAW AMM 26-14-51 AND 21-51-05. NO SMAug 7, 2026 · N496MC · Boeing 74747UF · Smoke DetectionSDR UIEA2026072900665Shutoff Valve · faultedDURING TAKEOFF ROLL, BLEED 2 ADVISORY MESSAGE CAME ON. TRANSFER TO DMI 256295 PER MEL 36-11-03 CATC DUE DATE 02AUG26. REMOVED AND REPLACE HPSOV IAW B747 AMM 36-11-03 AND OPS CHECK GOOD.Jul 29, 2026 · N499MC · Boeing 74747UF · Compressor Bleed ValveSDR UIEA2026072300640Apu · odorBACK TO BLOCK DUE TO EICAS MESSAGE SMOKE CREW REST AND UNUSUAL SCENT DETECTED IN UPPER DECK. PERFORM FIRE TEST, NO SMOKE PRESENT IN CABIN. OIL SCENT COMING FROM APU. SUSPECT APU BEARING OIL LEAK ENTERING CABIN. REMOVED AND REPLACED APU IAW ATLAS WORK CARD 49-Jul 23, 2026 · N418MC · Boeing 74747UF · APU Oil SystemSDR UIEA2026070900586Compressor · stalledAFTER V1 COMPRESSOR STALL ON #2 ENGINE, RAN QRH CHECKLIST AND RETURNED TO HAN. A/C WAS 265,656KG N1 TARGET 934. NO FUEL DUMPED. MX IN WORK WHILE IN AOGM FOR ATB ENG 2 COMPRESSOR. AOGM ETR: 12JUL26. FERRIED FLIGHT REQ FOR #2 ENG COMPRESSOR STALL. 3 ENGINES FEJul 12, 2026 · N492MC · Boeing 74747UF · Turbine Engine Compressor SectionSDR UIEA2026071000587Proximity Sensor · out of toleranceGEAR DISAGREE MSG, LT WING LANDING GEAR UP PRIMARY AND ALT PROXIMITY SWITCHES TARGET FAILED. JACKED AIRCRAFT TO CHECK PROX SENSOR RIGGING. FOUND PROX SENSORS S398 & S1638 OUT OF TOLERANCE. RESHIMMED BOTH SWITCHES IAW AMM 32-61-21. OPS CHECKED GOOD.Jul 10, 2026 · N475MC · Boeing 74747UF · Landing Gear Position and WarningSDR UIEA2026070200567Adc · faultedLOSS OF RT ADC, AND RT AOA IN FLIGHT WITH C/B TRIPPED. R & R RIGHT ADC IAW AMM 34-12-01-401, REV 116 & IPC 34-12-01-01B, REC 92. IAW FIM TASK 34-12 TASK 869 IAW CMC MSG 34653. PERFORMED GRD TEST OF RIGHT ADC IAW AMM 34-12-00/501. ALL TEST PASSED.Jul 2, 2026 · N476MC · Boeing 74747UF · Air Data ComputerSDR UIEA2026063000560Clamp · leakingEQUIPMENT COOLING EICAS MESSAGE IN FLIGHT. REPLACED FLIGHT DECK LOW FLOW DETECTOR & OPS CHECKED GOOD IAW AMM 21-58-02/201. REMOVED AND REPLACED FLIGHT DECK FLOW REGULATOR VALVE & OPS CHECKED GOOD IAW AMM 21-61-09/501. DURING TROUBLESHOOTING, FOUND FOD INSIDEJun 30, 2026 · N499MC · Boeing 74747UF · Air Distribution SystemSDR UIEA2026063000562Flap · damagedSUSPECTED HARD LANDING. PERFORMED PHASE 1A INSP PER AMM 05-51-05-222-081. DURING INSP, FOUND LH FLAP DAMAGE AT MIDDLE OF FOREFLAP LEVEL. SUBSEQUENT DAMAGE TO THE MID FLAP TRACK AND FUSELAGE OF LH TRAILING EDGE MIDFLAP.</P>)Jun 27, 2026 · N408MC · Boeing 74747UF · Trailing Edge FlapsSDR UIEA2026033000113Floorbeam · crackedM/D STA 1200, LH O/B BELOW FLOOR INTERCOSTAL WEB FOUND CRACK.(<P>INTERCOSTAL WEB CRACK AREA REPAIRED AS PER SRM 53-40-51-2R-9 REPAIR 9 AND RI-53-40-18155 REV A. NO FURTHER DEFECTS NOTED</P>)May 23, 2026 · N477MC · Boeing 74747UF · Fuselage Main, Floor BeamSDR UIEA2026033000114Floorbeam · crackedM/D STA 1180, LH O/B BELOW FLOOR INTERCOSTAL WEB FOUND CRACKED.(<P>WEB CRACK AREA REPAIRED AS PER SRM 53-40-51-2R-8 REPAIR 8, CATEGORY B, FOLLOW-UP ACTION AS PER SRM 53-40-51-2R-8 REPAIR 8 TABLE 202. NO FURTHER DEFECTS NOTED</P>)May 23, 2026 · N477MC · Boeing 74747UF · Fuselage Main, Floor BeamSDR UIEA2026033100116Panel · corrodedRH I/B T/E AFT FLAP O/B UPR PANEL LWR SURFACE SEVERAL AREA CORROSION(<P>CORROSION REMOVED AS PER SRM 51-10-02 AND REPROTECTED AS PER SRM 51-20-01, REWORK AREA MEASURE ORIGINAL THICKNESS 0.106" L:25" X W 1" X D : 0.009", WITHIN SRM 57-53-01-1A-0 FIG 101 LIMITS.May 23, 2026 · N477MC · Boeing 74747UF · Trailing Edge FlapsSDR UIEA2026033100117Floorbeam · corrodedU/D RBL 10" TO LBL 28" BS 460 FLOOR SUPPORT FOUND CORROSION(<P>CORROSION AREA REMOVED AS PER SRM 51-10-02 AND REPROTECTED AS PER SRM 51-20-01, MEASURED, ORG 0.063", L : 12" X W:0.9" X D : 0.004" WITHIN SRM 53-00-51-1A-1 ALLOWAGLE DAMAGE 1 FIG 101 LIMITS. NO FUMay 23, 2026 · N477MC · Boeing 74747UF · Fuselage Main, Floor BeamSDR UIEA2026040400122Frame · cracked4L T/R FWD FRAME AT ABOUT 6 O'CLOCK POSITION FOUND CRACKED(<P>FRAME CRACK AREA REPAIRED AS PER ATLAS AIR EA 1978A269 REV 0. NO FURTHER DEFECTS NOTED</P>)May 23, 2026 · N477MC · Boeing 74747UF · Engine Thrust ReverserSDR UIEA2026040400123Support Bracket · damagedAPU COMPT LH STA 2674.85 FRAME ATT WIRE SUPPORT BRACKET FOUND DETACH AND RIVET HOLES ELONGATED(<P>FRAME REPAIRED AS PER SRM 53-80-07-2R-1 REPAIR 1. NO FURTHER DEFECTS NOTED</P>)May 23, 2026 · N477MC · Boeing 74747UF · Fuselage Miscellaneous StructureSDR UIEA2026040500124Floor Support · crackedM/D STA 1200, RH O/B BELOW FLOOR INTERCOSTAL WEB FOUND CRACKED(<P>INTERCOSTAL WEB CRACK AREA REPAIRED SRM 53-40-51-2R-9 REPAIR 9 AND RI-53-40-18156 REV A. NO FURTHER DEFECTS NOTED</P>)May 23, 2026 · N477MC · Boeing 74747UF · Fuselage Miscellaneous StructureSDR UIEA2026040500125Floor Support · crackedBS 346 LB '0' INTERCOSTAL FOUND 2EA CRACKS(<P>INTERCOSTAL CRACK AREA REPAIRED AS PER RI-53-10-18208 REV B. NO FURTHER DEFECTS NOTED</P>)May 23, 2026 · N477MC · Boeing 74747UF · Fuselage Miscellaneous StructureSDR UIEA2026040500126Seat Track · crackedM/D SEAT TRACK STA 1780 - STA 1784 LBL 98" FOUND CRACK(<P>SEAT TRACK CRACK AREA REPAIRED AS PER SRM 53-00-52-2R-6 REPAIR 6. NO FURTHER DEFECTS NOTED</P>)May 23, 2026 · N477MC · Boeing 74747UF · Fuselage, Seat/Cargo Attach FittingsSDR UIEA2026040600128Lug · crackedBS 1000 FRONT SPAR RBL 11.33" INTERCOSTAL LUG FITTING FOUND 1EA CRACK(<P>CRACK INTERCOSTAL LUG FITTING REPLACED AS PER ATLAS AIR EO 4453C024 REV 4 PART 7 STEP 3 CONDITION 11. NO FURTHER DEFECTS NOTED</P>)May 23, 2026 · N477MC · Boeing 74747UF · Fuselage Main, Attach FittingsSDR UIEA2026040600129Support Frame · cracked1EA FASTENER HOLE CRACK FOUND ON LH SUPPORT FRAME CRACK 4 O'CLOCK APPROX 0.020" IN DEPTH(<P>CRACK FASTENER HOLE REPAIRED AS PER RI-53-80-18195 REV A. NO FURTHER DEFECTS NOTED</P>)May 23, 2026 · N477MC · Boeing 74747UF · Fuselage Main, StructureSDR UIEA2026040600130Support Frame · cracked1EA FASTENER HOLE CRACK FOUND ON LH SUPPORT FRAME CRACK AT BS 2598 6 O'CLOCK POSITION, APPROX 0.020" IN DEPTH(<P>CRACK FASTENER HOLE REPAIRED AS PER RI-53-80-18195 REV A. NO FURTHER DEFECTS NOTED.</P>)May 23, 2026 · N477MC · Boeing 74747UF · Fuselage Main, StructureSDR UIEA2026040800152Structure · corrodedRH WING W/W STA 1241 AREA CENTER TANK RH JETTISON TRANSFER VALVE ( V52 ) CUTOUT FOUND CORROSION(<P>CORROSION AREA REMOVED AS PER SRM 51-10-02 AND REPROTECTED AS PER SRM 51-20-01, REWORK AREA MEASURED, ORIGINAL 0.496", L:4" X W:4" X D: 0.006", WITHIN SRM 57-10-May 23, 2026 · N477MC · Boeing 74747UF · Wing Main, Frame StructureSDR UIEA2026040800153Structure · corrodedL/H WLG W/W STA 1241 AREA CENTER TANK L/H JETTISON TRANSFER VLV (V1) CUTOUT FOUND CORROSION.(<P>CORROSION AREA REMOVED AS PER SRM 51-10-01 AND REPROTECTED AS PER SRM 51-20-01, REWORK AREA MEASURED ORIGINAL: 0.496" L : 4" X W : 4" X D: 0.012", WITHIN SRM 57-10-May 23, 2026 · N477MC · Boeing 74747UF · Wing Main, Frame StructureSDR UIEA2026040800154Structure · corrodedL/H WLG W/W STA1241 AREA. CENTER TANK LEFT O/J PUMP (M224) CUTOUT FOUND CORROSION.(<P>CORROSION REMOVED AS PER SRM 51-10-02 AND REPROTECTED AS PER SRM 51-20-01, REWORK AREA MEASURED ORIGINAL: 0.810", L: 4" X W : 1.8" X D : 0.065" WITHIN SRM 57-10-10-1A-2 ALLOWMay 23, 2026 · N477MC · Boeing 74747UF · Wing Main, Frame StructureSDR UIEA2026040800155Seat Track · corrodedU/D - STA 405 TO 420 LBL 24 SEAT TRACK O/B FLANGE FOUND CORROSION(<P>CORROSION AREA REMOVED AS PER SRM 51-10-02 AND REPROTECTED AS PER SRM 51-20-01, REWORK AREA MEASURE ORIGINAL: 0.100" L:13" X W:1.1" X D: 0.010" WITHIN SRM 53-00-52-1A-1 ALLOWABLE DAMAGE 1 FIGMay 23, 2026 · N477MC · Boeing 74747UF · Fuselage, Seat/Cargo Attach FittingsSDR UIEA2026040800156Panel · corrodedLHW O/B T/E FOREFLAP I/B UPR ACC PNL INTERNAL SURFACE EDGE SEVERAL AREA FOUND CORRODED.(<P>CORROSION AREA REMOVED AS PER SRM 51-10-02 AND REPROTECTED AS PER SRM 51-20-01, REWORK AREA MEASURED ORIGINAL: 0.105", L:15" X W:1" X D:0.003", WITHIN SRM 57-53-01-1A-0 May 23, 2026 · N477MC · Boeing 74747UF · Trailing Edge FlapsSDR UIEA2026040800157Panel · corrodedLHW OB T/E FOREFLAP O/B UPR ACC PNL INTERNAL SURFACE EDGE SEVERAL AREA FOUND CORROSION(<P>CORROSION AREA REWORKED AS PER SRM 51-10-02 AND REPROTECTED AS PER SRM 51-20-01, REWORK AREA MEASURED ORIGINAL 0.105" L:14" X W:1" X D:0.002", WITHIN SRM 57-53-01-1A-0 ALMay 23, 2026 · N477MC · Boeing 74747UF · Trailing Edge FlapsSDR UIEA2026040800158Panel · corrodedLHW I/B T/E AFT FLAP I/B UPR ACC PNL INTERNAL SURFACE EDGE SEVERAL AREA FOUND CORROSION(<P>CORROSION AREA REMOVED AS PER SRM 51-10-02 AND REPROTECTED AS PER SRM 51-20-01, REWORK AREA MEASURED ORIGINAL 0.105" L:22" X W:1" X D:0.002", WITHIN SRM 57-53-01-1A-0 ALMay 23, 2026 · N477MC · Boeing 74747UF · Trailing Edge Flaps
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